Home / 52,115.79-71,914.04-29,454.78

Finding the Fourth Proportional to 52,115.79, 71,914.04 and 29,454.78

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Solution

The fourth proportional to 52,115.79, 71,914.04 and 29,454.78 is: 40,644.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,115.79 : 71,914.04 = 29,454.78 : x
  2. Step 2: Convert to fraction form
    52,115.79/71,914.04 = 29,454.78/x
  3. Step 3: Cross multiply
    52,115.79x = 71,914.04 × 29,454.78
  4. Step 4: Simplify right side
    52,115.79x = 2,118,212,227.11
  5. Step 5: Solve for x
    x = 2,118,212,227.11/52,115.79
  6. Step 6: Final answer
    x = 40,644.35

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1.5x scale

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.