Home / 67,485.14-93,140.90-39,207.24

Finding the Fourth Proportional to 67,485.14, 93,140.90 and 39,207.24

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Solution

The fourth proportional to 67,485.14, 93,140.90 and 39,207.24 is: 54,112.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,485.14 : 93,140.90 = 39,207.24 : x
  2. Step 2: Convert to fraction form
    67,485.14/93,140.90 = 39,207.24/x
  3. Step 3: Cross multiply
    67,485.14x = 93,140.90 × 39,207.24
  4. Step 4: Simplify right side
    67,485.14x = 3,651,797,620.12
  5. Step 5: Solve for x
    x = 3,651,797,620.12/67,485.14
  6. Step 6: Final answer
    x = 54,112.62

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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.