Home / 52,479.75-72,419.33-29,815.60

Finding the Fourth Proportional to 52,479.75, 72,419.33 and 29,815.60

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Solution

The fourth proportional to 52,479.75, 72,419.33 and 29,815.60 is: 41,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,479.75 : 72,419.33 = 29,815.60 : x
  2. Step 2: Convert to fraction form
    52,479.75/72,419.33 = 29,815.60/x
  3. Step 3: Cross multiply
    52,479.75x = 72,419.33 × 29,815.60
  4. Step 4: Simplify right side
    52,479.75x = 2,159,225,445.42
  5. Step 5: Solve for x
    x = 2,159,225,445.42/52,479.75
  6. Step 6: Final answer
    x = 41,143.97

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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.