Home / 99,176.72-148,511.10-54,754.16

Finding the Fourth Proportional to 99,176.72, 148,511.10 and 54,754.16

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Solution

The fourth proportional to 99,176.72, 148,511.10 and 54,754.16 is: 81,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,176.72 : 148,511.10 = 54,754.16 : x
  2. Step 2: Convert to fraction form
    99,176.72/148,511.10 = 54,754.16/x
  3. Step 3: Cross multiply
    99,176.72x = 148,511.10 × 54,754.16
  4. Step 4: Simplify right side
    99,176.72x = 8,131,600,531.18
  5. Step 5: Solve for x
    x = 8,131,600,531.18/99,176.72
  6. Step 6: Final answer
    x = 81,991.02

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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.