Home / 98,432.01-147,631.61-31,919.87

Finding the Fourth Proportional to 98,432.01, 147,631.61 and 31,919.87

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Solution

The fourth proportional to 98,432.01, 147,631.61 and 31,919.87 is: 47,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,432.01 : 147,631.61 = 31,919.87 : x
  2. Step 2: Convert to fraction form
    98,432.01/147,631.61 = 31,919.87/x
  3. Step 3: Cross multiply
    98,432.01x = 147,631.61 × 31,919.87
  4. Step 4: Simplify right side
    98,432.01x = 4,712,382,247.97
  5. Step 5: Solve for x
    x = 4,712,382,247.97/98,432.01
  6. Step 6: Final answer
    x = 47,874.49

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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.