Home / 52,915.12-79,251.68-34,390.96

Finding the Fourth Proportional to 52,915.12, 79,251.68 and 34,390.96

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Solution

The fourth proportional to 52,915.12, 79,251.68 and 34,390.96 is: 51,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,915.12 : 79,251.68 = 34,390.96 : x
  2. Step 2: Convert to fraction form
    52,915.12/79,251.68 = 34,390.96/x
  3. Step 3: Cross multiply
    52,915.12x = 79,251.68 × 34,390.96
  4. Step 4: Simplify right side
    52,915.12x = 2,725,541,356.81
  5. Step 5: Solve for x
    x = 2,725,541,356.81/52,915.12
  6. Step 6: Final answer
    x = 51,507.80

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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.