Home / 77,002.86-106,257.03-43,006.62

Finding the Fourth Proportional to 77,002.86, 106,257.03 and 43,006.62

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Solution

The fourth proportional to 77,002.86, 106,257.03 and 43,006.62 is: 59,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,002.86 : 106,257.03 = 43,006.62 : x
  2. Step 2: Convert to fraction form
    77,002.86/106,257.03 = 43,006.62/x
  3. Step 3: Cross multiply
    77,002.86x = 106,257.03 × 43,006.62
  4. Step 4: Simplify right side
    77,002.86x = 4,569,755,711.54
  5. Step 5: Solve for x
    x = 4,569,755,711.54/77,002.86
  6. Step 6: Final answer
    x = 59,345.27

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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.