Home / 79,875.26-119,812.88-27,285.20

Finding the Fourth Proportional to 79,875.26, 119,812.88 and 27,285.20

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Solution

The fourth proportional to 79,875.26, 119,812.88 and 27,285.20 is: 40,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,875.26 : 119,812.88 = 27,285.20 : x
  2. Step 2: Convert to fraction form
    79,875.26/119,812.88 = 27,285.20/x
  3. Step 3: Cross multiply
    79,875.26x = 119,812.88 × 27,285.20
  4. Step 4: Simplify right side
    79,875.26x = 3,269,117,862.52
  5. Step 5: Solve for x
    x = 3,269,117,862.52/79,875.26
  6. Step 6: Final answer
    x = 40,927.79

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Similar ratio
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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.