Home / 89,625.28-134,406.57-26,428.63

Finding the Fourth Proportional to 89,625.28, 134,406.57 and 26,428.63

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Solution

The fourth proportional to 89,625.28, 134,406.57 and 26,428.63 is: 39,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625.28 : 134,406.57 = 26,428.63 : x
  2. Step 2: Convert to fraction form
    89,625.28/134,406.57 = 26,428.63/x
  3. Step 3: Cross multiply
    89,625.28x = 134,406.57 × 26,428.63
  4. Step 4: Simplify right side
    89,625.28x = 3,552,181,508.10
  5. Step 5: Solve for x
    x = 3,552,181,508.10/89,625.28
  6. Step 6: Final answer
    x = 39,633.70

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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.