Home / 84,002.29-126,056.18-34,082.60

Finding the Fourth Proportional to 84,002.29, 126,056.18 and 34,082.60

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Solution

The fourth proportional to 84,002.29, 126,056.18 and 34,082.60 is: 51,145.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,002.29 : 126,056.18 = 34,082.60 : x
  2. Step 2: Convert to fraction form
    84,002.29/126,056.18 = 34,082.60/x
  3. Step 3: Cross multiply
    84,002.29x = 126,056.18 × 34,082.60
  4. Step 4: Simplify right side
    84,002.29x = 4,296,321,815.39
  5. Step 5: Solve for x
    x = 4,296,321,815.39/84,002.29
  6. Step 6: Final answer
    x = 51,145.30

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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.