Home / 99,456.30-149,088.60-63,817.11

Finding the Fourth Proportional to 99,456.30, 149,088.60 and 63,817.11

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Solution

The fourth proportional to 99,456.30, 149,088.60 and 63,817.11 is: 95,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,456.30 : 149,088.60 = 63,817.11 : x
  2. Step 2: Convert to fraction form
    99,456.30/149,088.60 = 63,817.11/x
  3. Step 3: Cross multiply
    99,456.30x = 149,088.60 × 63,817.11
  4. Step 4: Simplify right side
    99,456.30x = 9,514,403,585.95
  5. Step 5: Solve for x
    x = 9,514,403,585.95/99,456.30
  6. Step 6: Final answer
    x = 95,664.16

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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.