Home / 74,387.79-111,391.20-41,070.87

Finding the Fourth Proportional to 74,387.79, 111,391.20 and 41,070.87

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Solution

The fourth proportional to 74,387.79, 111,391.20 and 41,070.87 is: 61,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,387.79 : 111,391.20 = 41,070.87 : x
  2. Step 2: Convert to fraction form
    74,387.79/111,391.20 = 41,070.87/x
  3. Step 3: Cross multiply
    74,387.79x = 111,391.20 × 41,070.87
  4. Step 4: Simplify right side
    74,387.79x = 4,574,933,494.34
  5. Step 5: Solve for x
    x = 4,574,933,494.34/74,387.79
  6. Step 6: Final answer
    x = 61,501.13

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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.