Home / 89,349.24-123,262.65-55,348.68

Finding the Fourth Proportional to 89,349.24, 123,262.65 and 55,348.68

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Solution

The fourth proportional to 89,349.24, 123,262.65 and 55,348.68 is: 76,356.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,349.24 : 123,262.65 = 55,348.68 : x
  2. Step 2: Convert to fraction form
    89,349.24/123,262.65 = 55,348.68/x
  3. Step 3: Cross multiply
    89,349.24x = 123,262.65 × 55,348.68
  4. Step 4: Simplify right side
    89,349.24x = 6,822,424,970.80
  5. Step 5: Solve for x
    x = 6,822,424,970.80/89,349.24
  6. Step 6: Final answer
    x = 76,356.83

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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.