Home / 82,279.56-123,419.28-26,875.56

Finding the Fourth Proportional to 82,279.56, 123,419.28 and 26,875.56

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Solution

The fourth proportional to 82,279.56, 123,419.28 and 26,875.56 is: 40,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,279.56 : 123,419.28 = 26,875.56 : x
  2. Step 2: Convert to fraction form
    82,279.56/123,419.28 = 26,875.56/x
  3. Step 3: Cross multiply
    82,279.56x = 123,419.28 × 26,875.56
  4. Step 4: Simplify right side
    82,279.56x = 3,316,962,264.80
  5. Step 5: Solve for x
    x = 3,316,962,264.80/82,279.56
  6. Step 6: Final answer
    x = 40,313.32

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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.