Home / 57,631.18-86,278.65-35,377.09

Finding the Fourth Proportional to 57,631.18, 86,278.65 and 35,377.09

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Solution

The fourth proportional to 57,631.18, 86,278.65 and 35,377.09 is: 52,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,631.18 : 86,278.65 = 35,377.09 : x
  2. Step 2: Convert to fraction form
    57,631.18/86,278.65 = 35,377.09/x
  3. Step 3: Cross multiply
    57,631.18x = 86,278.65 × 35,377.09
  4. Step 4: Simplify right side
    57,631.18x = 3,052,287,566.13
  5. Step 5: Solve for x
    x = 3,052,287,566.13/57,631.18
  6. Step 6: Final answer
    x = 52,962.43

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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.