Home / 84,719.28-127,057.58-34,813.16

Finding the Fourth Proportional to 84,719.28, 127,057.58 and 34,813.16

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Solution

The fourth proportional to 84,719.28, 127,057.58 and 34,813.16 is: 52,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,719.28 : 127,057.58 = 34,813.16 : x
  2. Step 2: Convert to fraction form
    84,719.28/127,057.58 = 34,813.16/x
  3. Step 3: Cross multiply
    84,719.28x = 127,057.58 × 34,813.16
  4. Step 4: Simplify right side
    84,719.28x = 4,423,275,861.75
  5. Step 5: Solve for x
    x = 4,423,275,861.75/84,719.28
  6. Step 6: Final answer
    x = 52,210.97

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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.