Home / 89,617.70-134,426.55-88,235.30

Finding the Fourth Proportional to 89,617.70, 134,426.55 and 88,235.30

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Solution

The fourth proportional to 89,617.70, 134,426.55 and 88,235.30 is: 132,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,617.70 : 134,426.55 = 88,235.30 : x
  2. Step 2: Convert to fraction form
    89,617.70/134,426.55 = 88,235.30/x
  3. Step 3: Cross multiply
    89,617.70x = 134,426.55 × 88,235.30
  4. Step 4: Simplify right side
    89,617.70x = 11,861,166,967.22
  5. Step 5: Solve for x
    x = 11,861,166,967.22/89,617.70
  6. Step 6: Final answer
    x = 132,352.95

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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.