Home / 81,402.37-122,005.13-41,937.95

Finding the Fourth Proportional to 81,402.37, 122,005.13 and 41,937.95

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Solution

The fourth proportional to 81,402.37, 122,005.13 and 41,937.95 is: 62,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,402.37 : 122,005.13 = 41,937.95 : x
  2. Step 2: Convert to fraction form
    81,402.37/122,005.13 = 41,937.95/x
  3. Step 3: Cross multiply
    81,402.37x = 122,005.13 × 41,937.95
  4. Step 4: Simplify right side
    81,402.37x = 5,116,645,041.68
  5. Step 5: Solve for x
    x = 5,116,645,041.68/81,402.37
  6. Step 6: Final answer
    x = 62,856.22

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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.