Home / 77,456.43-106,897.32-43,464.96

Finding the Fourth Proportional to 77,456.43, 106,897.32 and 43,464.96

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Solution

The fourth proportional to 77,456.43, 106,897.32 and 43,464.96 is: 59,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,456.43 : 106,897.32 = 43,464.96 : x
  2. Step 2: Convert to fraction form
    77,456.43/106,897.32 = 43,464.96/x
  3. Step 3: Cross multiply
    77,456.43x = 106,897.32 × 43,464.96
  4. Step 4: Simplify right side
    77,456.43x = 4,646,287,737.91
  5. Step 5: Solve for x
    x = 4,646,287,737.91/77,456.43
  6. Step 6: Final answer
    x = 59,985.82

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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.