Home / 89,711.24-134,520.78-48,208.52

Finding the Fourth Proportional to 89,711.24, 134,520.78 and 48,208.52

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Solution

The fourth proportional to 89,711.24, 134,520.78 and 48,208.52 is: 72,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,711.24 : 134,520.78 = 48,208.52 : x
  2. Step 2: Convert to fraction form
    89,711.24/134,520.78 = 48,208.52/x
  3. Step 3: Cross multiply
    89,711.24x = 134,520.78 × 48,208.52
  4. Step 4: Simplify right side
    89,711.24x = 6,485,047,713.05
  5. Step 5: Solve for x
    x = 6,485,047,713.05/89,711.24
  6. Step 6: Final answer
    x = 72,288.02

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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.