Home / 69,672.10-96,144.27-39,457.64

Finding the Fourth Proportional to 69,672.10, 96,144.27 and 39,457.64

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Solution

The fourth proportional to 69,672.10, 96,144.27 and 39,457.64 is: 54,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,672.10 : 96,144.27 = 39,457.64 : x
  2. Step 2: Convert to fraction form
    69,672.10/96,144.27 = 39,457.64/x
  3. Step 3: Cross multiply
    69,672.10x = 96,144.27 × 39,457.64
  4. Step 4: Simplify right side
    69,672.10x = 3,793,625,841.24
  5. Step 5: Solve for x
    x = 3,793,625,841.24/69,672.10
  6. Step 6: Final answer
    x = 54,449.71

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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.