Home / 89,620.38-134,430.56-27,290.88

Finding the Fourth Proportional to 89,620.38, 134,430.56 and 27,290.88

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Solution

The fourth proportional to 89,620.38, 134,430.56 and 27,290.88 is: 40,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,620.38 : 134,430.56 = 27,290.88 : x
  2. Step 2: Convert to fraction form
    89,620.38/134,430.56 = 27,290.88/x
  3. Step 3: Cross multiply
    89,620.38x = 134,430.56 × 27,290.88
  4. Step 4: Simplify right side
    89,620.38x = 3,668,728,281.29
  5. Step 5: Solve for x
    x = 3,668,728,281.29/89,620.38
  6. Step 6: Final answer
    x = 40,936.32

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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.