Home / 98,279.17-147,331.46-38,293.74

Finding the Fourth Proportional to 98,279.17, 147,331.46 and 38,293.74

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Solution

The fourth proportional to 98,279.17, 147,331.46 and 38,293.74 is: 57,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,279.17 : 147,331.46 = 38,293.74 : x
  2. Step 2: Convert to fraction form
    98,279.17/147,331.46 = 38,293.74/x
  3. Step 3: Cross multiply
    98,279.17x = 147,331.46 × 38,293.74
  4. Step 4: Simplify right side
    98,279.17x = 5,641,872,718.79
  5. Step 5: Solve for x
    x = 5,641,872,718.79/98,279.17
  6. Step 6: Final answer
    x = 57,406.60

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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.