Home / 109,778.88-151,503.76-62,042.14

Finding the Fourth Proportional to 109,778.88, 151,503.76 and 62,042.14

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Solution

The fourth proportional to 109,778.88, 151,503.76 and 62,042.14 is: 85,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,778.88 : 151,503.76 = 62,042.14 : x
  2. Step 2: Convert to fraction form
    109,778.88/151,503.76 = 62,042.14/x
  3. Step 3: Cross multiply
    109,778.88x = 151,503.76 × 62,042.14
  4. Step 4: Simplify right side
    109,778.88x = 9,399,617,488.45
  5. Step 5: Solve for x
    x = 9,399,617,488.45/109,778.88
  6. Step 6: Final answer
    x = 85,623.19

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1.5x scale

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.