Home / 94,187.79-129,998.25-57,872.70

Finding the Fourth Proportional to 94,187.79, 129,998.25 and 57,872.70

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Solution

The fourth proportional to 94,187.79, 129,998.25 and 57,872.70 is: 79,876.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,187.79 : 129,998.25 = 57,872.70 : x
  2. Step 2: Convert to fraction form
    94,187.79/129,998.25 = 57,872.70/x
  3. Step 3: Cross multiply
    94,187.79x = 129,998.25 × 57,872.70
  4. Step 4: Simplify right side
    94,187.79x = 7,523,349,722.78
  5. Step 5: Solve for x
    x = 7,523,349,722.78/94,187.79
  6. Step 6: Final answer
    x = 79,876.06

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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.