Home / 124,729.28-187,100.40-62,378.72

Finding the Fourth Proportional to 124,729.28, 187,100.40 and 62,378.72

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Solution

The fourth proportional to 124,729.28, 187,100.40 and 62,378.72 is: 93,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,729.28 : 187,100.40 = 62,378.72 : x
  2. Step 2: Convert to fraction form
    124,729.28/187,100.40 = 62,378.72/x
  3. Step 3: Cross multiply
    124,729.28x = 187,100.40 × 62,378.72
  4. Step 4: Simplify right side
    124,729.28x = 11,671,083,463.49
  5. Step 5: Solve for x
    x = 11,671,083,463.49/124,729.28
  6. Step 6: Final answer
    x = 93,571.32

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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.