Home / 75,432.74-104,082.40-43,177.22

Finding the Fourth Proportional to 75,432.74, 104,082.40 and 43,177.22

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Solution

The fourth proportional to 75,432.74, 104,082.40 and 43,177.22 is: 59,576.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,432.74 : 104,082.40 = 43,177.22 : x
  2. Step 2: Convert to fraction form
    75,432.74/104,082.40 = 43,177.22/x
  3. Step 3: Cross multiply
    75,432.74x = 104,082.40 × 43,177.22
  4. Step 4: Simplify right side
    75,432.74x = 4,493,988,606.80
  5. Step 5: Solve for x
    x = 4,493,988,606.80/75,432.74
  6. Step 6: Final answer
    x = 59,576.11

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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.