Home / 109,603.72-151,255.54-60,545.22

Finding the Fourth Proportional to 109,603.72, 151,255.54 and 60,545.22

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Solution

The fourth proportional to 109,603.72, 151,255.54 and 60,545.22 is: 83,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,603.72 : 151,255.54 = 60,545.22 : x
  2. Step 2: Convert to fraction form
    109,603.72/151,255.54 = 60,545.22/x
  3. Step 3: Cross multiply
    109,603.72x = 151,255.54 × 60,545.22
  4. Step 4: Simplify right side
    109,603.72x = 9,157,799,945.52
  5. Step 5: Solve for x
    x = 9,157,799,945.52/109,603.72
  6. Step 6: Final answer
    x = 83,553.73

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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.