Home / 71,842.83-99,143.05-41,645.64

Finding the Fourth Proportional to 71,842.83, 99,143.05 and 41,645.64

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Solution

The fourth proportional to 71,842.83, 99,143.05 and 41,645.64 is: 57,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,842.83 : 99,143.05 = 41,645.64 : x
  2. Step 2: Convert to fraction form
    71,842.83/99,143.05 = 41,645.64/x
  3. Step 3: Cross multiply
    71,842.83x = 99,143.05 × 41,645.64
  4. Step 4: Simplify right side
    71,842.83x = 4,128,875,560.57
  5. Step 5: Solve for x
    x = 4,128,875,560.57/71,842.83
  6. Step 6: Final answer
    x = 57,470.95

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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.