Home / 70,349.36-97,083.86-38,518.16

Finding the Fourth Proportional to 70,349.36, 97,083.86 and 38,518.16

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Solution

The fourth proportional to 70,349.36, 97,083.86 and 38,518.16 is: 53,156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.36 : 97,083.86 = 38,518.16 : x
  2. Step 2: Convert to fraction form
    70,349.36/97,083.86 = 38,518.16/x
  3. Step 3: Cross multiply
    70,349.36x = 97,083.86 × 38,518.16
  4. Step 4: Simplify right side
    70,349.36x = 3,739,491,652.90
  5. Step 5: Solve for x
    x = 3,739,491,652.90/70,349.36
  6. Step 6: Final answer
    x = 53,156.02

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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.