Home / 70,539.11-97,345.98-38,710.11

Finding the Fourth Proportional to 70,539.11, 97,345.98 and 38,710.11

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Solution

The fourth proportional to 70,539.11, 97,345.98 and 38,710.11 is: 53,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,539.11 : 97,345.98 = 38,710.11 : x
  2. Step 2: Convert to fraction form
    70,539.11/97,345.98 = 38,710.11/x
  3. Step 3: Cross multiply
    70,539.11x = 97,345.98 × 38,710.11
  4. Step 4: Simplify right side
    70,539.11x = 3,768,273,593.86
  5. Step 5: Solve for x
    x = 3,768,273,593.86/70,539.11
  6. Step 6: Final answer
    x = 53,421.06

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.