Home / 82,088.44-123,139.65-25,913.53

Finding the Fourth Proportional to 82,088.44, 123,139.65 and 25,913.53

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Solution

The fourth proportional to 82,088.44, 123,139.65 and 25,913.53 is: 38,872.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,088.44 : 123,139.65 = 25,913.53 : x
  2. Step 2: Convert to fraction form
    82,088.44/123,139.65 = 25,913.53/x
  3. Step 3: Cross multiply
    82,088.44x = 123,139.65 × 25,913.53
  4. Step 4: Simplify right side
    82,088.44x = 3,190,982,398.77
  5. Step 5: Solve for x
    x = 3,190,982,398.77/82,088.44
  6. Step 6: Final answer
    x = 38,872.49

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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.