Home / 99,815.52-149,725.80-29,695.44

Finding the Fourth Proportional to 99,815.52, 149,725.80 and 29,695.44

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Solution

The fourth proportional to 99,815.52, 149,725.80 and 29,695.44 is: 44,543.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,815.52 : 149,725.80 = 29,695.44 : x
  2. Step 2: Convert to fraction form
    99,815.52/149,725.80 = 29,695.44/x
  3. Step 3: Cross multiply
    99,815.52x = 149,725.80 × 29,695.44
  4. Step 4: Simplify right side
    99,815.52x = 4,446,173,510.35
  5. Step 5: Solve for x
    x = 4,446,173,510.35/99,815.52
  6. Step 6: Final answer
    x = 44,543.91

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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.