Home / 124,875.41-187,382.36-54,752.90

Finding the Fourth Proportional to 124,875.41, 187,382.36 and 54,752.90

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Solution

The fourth proportional to 124,875.41, 187,382.36 and 54,752.90 is: 82,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,875.41 : 187,382.36 = 54,752.90 : x
  2. Step 2: Convert to fraction form
    124,875.41/187,382.36 = 54,752.90/x
  3. Step 3: Cross multiply
    124,875.41x = 187,382.36 × 54,752.90
  4. Step 4: Simplify right side
    124,875.41x = 10,259,726,818.81
  5. Step 5: Solve for x
    x = 10,259,726,818.81/124,875.41
  6. Step 6: Final answer
    x = 82,159.71

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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.