Home / 124,700.72-187,125.60-45,822.92

Finding the Fourth Proportional to 124,700.72, 187,125.60 and 45,822.92

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Solution

The fourth proportional to 124,700.72, 187,125.60 and 45,822.92 is: 68,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,700.72 : 187,125.60 = 45,822.92 : x
  2. Step 2: Convert to fraction form
    124,700.72/187,125.60 = 45,822.92/x
  3. Step 3: Cross multiply
    124,700.72x = 187,125.60 × 45,822.92
  4. Step 4: Simplify right side
    124,700.72x = 8,574,641,398.75
  5. Step 5: Solve for x
    x = 8,574,641,398.75/124,700.72
  6. Step 6: Final answer
    x = 68,761.76

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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.