Home / 61,260.30-91,890.45-40,265.10

Finding the Fourth Proportional to 61,260.30, 91,890.45 and 40,265.10

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Solution

The fourth proportional to 61,260.30, 91,890.45 and 40,265.10 is: 60,397.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,260.30 : 91,890.45 = 40,265.10 : x
  2. Step 2: Convert to fraction form
    61,260.30/91,890.45 = 40,265.10/x
  3. Step 3: Cross multiply
    61,260.30x = 91,890.45 × 40,265.10
  4. Step 4: Simplify right side
    61,260.30x = 3,699,978,158.30
  5. Step 5: Solve for x
    x = 3,699,978,158.30/61,260.30
  6. Step 6: Final answer
    x = 60,397.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.