Home / 89,635.97-134,422.57-26,439.30

Finding the Fourth Proportional to 89,635.97, 134,422.57 and 26,439.30

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Solution

The fourth proportional to 89,635.97, 134,422.57 and 26,439.30 is: 39,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,635.97 : 134,422.57 = 26,439.30 : x
  2. Step 2: Convert to fraction form
    89,635.97/134,422.57 = 26,439.30/x
  3. Step 3: Cross multiply
    89,635.97x = 134,422.57 × 26,439.30
  4. Step 4: Simplify right side
    89,635.97x = 3,554,038,655.00
  5. Step 5: Solve for x
    x = 3,554,038,655.00/89,635.97
  6. Step 6: Final answer
    x = 39,649.69

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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.