Home / 98,414.12-147,644.61-31,854.26

Finding the Fourth Proportional to 98,414.12, 147,644.61 and 31,854.26

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Solution

The fourth proportional to 98,414.12, 147,644.61 and 31,854.26 is: 47,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,414.12 : 147,644.61 = 31,854.26 : x
  2. Step 2: Convert to fraction form
    98,414.12/147,644.61 = 31,854.26/x
  3. Step 3: Cross multiply
    98,414.12x = 147,644.61 × 31,854.26
  4. Step 4: Simplify right side
    98,414.12x = 4,703,108,897.04
  5. Step 5: Solve for x
    x = 4,703,108,897.04/98,414.12
  6. Step 6: Final answer
    x = 47,788.97

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1.5x scale

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.