Home / 84,887.74-127,137.72-40,545.86

Finding the Fourth Proportional to 84,887.74, 127,137.72 and 40,545.86

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Solution

The fourth proportional to 84,887.74, 127,137.72 and 40,545.86 is: 60,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,887.74 : 127,137.72 = 40,545.86 : x
  2. Step 2: Convert to fraction form
    84,887.74/127,137.72 = 40,545.86/x
  3. Step 3: Cross multiply
    84,887.74x = 127,137.72 × 40,545.86
  4. Step 4: Simplify right side
    84,887.74x = 5,154,908,195.84
  5. Step 5: Solve for x
    x = 5,154,908,195.84/84,887.74
  6. Step 6: Final answer
    x = 60,726.18

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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.