Home / 71,725.16-99,001.55-47,851.77

Finding the Fourth Proportional to 71,725.16, 99,001.55 and 47,851.77

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Solution

The fourth proportional to 71,725.16, 99,001.55 and 47,851.77 is: 66,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,725.16 : 99,001.55 = 47,851.77 : x
  2. Step 2: Convert to fraction form
    71,725.16/99,001.55 = 47,851.77/x
  3. Step 3: Cross multiply
    71,725.16x = 99,001.55 × 47,851.77
  4. Step 4: Simplify right side
    71,725.16x = 4,737,399,148.62
  5. Step 5: Solve for x
    x = 4,737,399,148.62/71,725.16
  6. Step 6: Final answer
    x = 66,049.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.