Home / 57,274.08-85,876.61-25,678.43

Finding the Fourth Proportional to 57,274.08, 85,876.61 and 25,678.43

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Solution

The fourth proportional to 57,274.08, 85,876.61 and 25,678.43 is: 38,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,274.08 : 85,876.61 = 25,678.43 : x
  2. Step 2: Convert to fraction form
    57,274.08/85,876.61 = 25,678.43/x
  3. Step 3: Cross multiply
    57,274.08x = 85,876.61 × 25,678.43
  4. Step 4: Simplify right side
    57,274.08x = 2,205,175,960.75
  5. Step 5: Solve for x
    x = 2,205,175,960.75/57,274.08
  6. Step 6: Final answer
    x = 38,502.16

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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.