Home / 84,892.08-127,391.58-47,476.65

Finding the Fourth Proportional to 84,892.08, 127,391.58 and 47,476.65

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Solution

The fourth proportional to 84,892.08, 127,391.58 and 47,476.65 is: 71,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,892.08 : 127,391.58 = 47,476.65 : x
  2. Step 2: Convert to fraction form
    84,892.08/127,391.58 = 47,476.65/x
  3. Step 3: Cross multiply
    84,892.08x = 127,391.58 × 47,476.65
  4. Step 4: Simplify right side
    84,892.08x = 6,048,125,456.61
  5. Step 5: Solve for x
    x = 6,048,125,456.61/84,892.08
  6. Step 6: Final answer
    x = 71,244.87

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1.5x scale

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.