Home / 70,360.21-97,095.40-38,530.45

Finding the Fourth Proportional to 70,360.21, 97,095.40 and 38,530.45

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Solution

The fourth proportional to 70,360.21, 97,095.40 and 38,530.45 is: 53,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,360.21 : 97,095.40 = 38,530.45 : x
  2. Step 2: Convert to fraction form
    70,360.21/97,095.40 = 38,530.45/x
  3. Step 3: Cross multiply
    70,360.21x = 97,095.40 × 38,530.45
  4. Step 4: Simplify right side
    70,360.21x = 3,741,129,454.93
  5. Step 5: Solve for x
    x = 3,741,129,454.93/70,360.21
  6. Step 6: Final answer
    x = 53,171.10

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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.