Home / 69,938.04-96,513.28-38,107.20

Finding the Fourth Proportional to 69,938.04, 96,513.28 and 38,107.20

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Solution

The fourth proportional to 69,938.04, 96,513.28 and 38,107.20 is: 52,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,938.04 : 96,513.28 = 38,107.20 : x
  2. Step 2: Convert to fraction form
    69,938.04/96,513.28 = 38,107.20/x
  3. Step 3: Cross multiply
    69,938.04x = 96,513.28 × 38,107.20
  4. Step 4: Simplify right side
    69,938.04x = 3,677,850,863.62
  5. Step 5: Solve for x
    x = 3,677,850,863.62/69,938.04
  6. Step 6: Final answer
    x = 52,587.27

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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.