Home / 70,287.55-96,998.22-38,457.13

Finding the Fourth Proportional to 70,287.55, 96,998.22 and 38,457.13

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Solution

The fourth proportional to 70,287.55, 96,998.22 and 38,457.13 is: 53,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,287.55 : 96,998.22 = 38,457.13 : x
  2. Step 2: Convert to fraction form
    70,287.55/96,998.22 = 38,457.13/x
  3. Step 3: Cross multiply
    70,287.55x = 96,998.22 × 38,457.13
  4. Step 4: Simplify right side
    70,287.55x = 3,730,273,156.31
  5. Step 5: Solve for x
    x = 3,730,273,156.31/70,287.55
  6. Step 6: Final answer
    x = 53,071.61

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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.