Home / 77,332.86-106,726.68-43,341.12

Finding the Fourth Proportional to 77,332.86, 106,726.68 and 43,341.12

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Solution

The fourth proportional to 77,332.86, 106,726.68 and 43,341.12 is: 59,814.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,332.86 : 106,726.68 = 43,341.12 : x
  2. Step 2: Convert to fraction form
    77,332.86/106,726.68 = 43,341.12/x
  3. Step 3: Cross multiply
    77,332.86x = 106,726.68 × 43,341.12
  4. Step 4: Simplify right side
    77,332.86x = 4,625,653,845.08
  5. Step 5: Solve for x
    x = 4,625,653,845.08/77,332.86
  6. Step 6: Final answer
    x = 59,814.86

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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.