Home / 89,321.52-123,265.26-49,039.05

Finding the Fourth Proportional to 89,321.52, 123,265.26 and 49,039.05

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Solution

The fourth proportional to 89,321.52, 123,265.26 and 49,039.05 is: 67,674.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,321.52 : 123,265.26 = 49,039.05 : x
  2. Step 2: Convert to fraction form
    89,321.52/123,265.26 = 49,039.05/x
  3. Step 3: Cross multiply
    89,321.52x = 123,265.26 × 49,039.05
  4. Step 4: Simplify right side
    89,321.52x = 6,044,811,248.40
  5. Step 5: Solve for x
    x = 6,044,811,248.40/89,321.52
  6. Step 6: Final answer
    x = 67,674.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.