Home / 89,316.75-123,253.92-50,553.74

Finding the Fourth Proportional to 89,316.75, 123,253.92 and 50,553.74

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Solution

The fourth proportional to 89,316.75, 123,253.92 and 50,553.74 is: 69,762.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,316.75 : 123,253.92 = 50,553.74 : x
  2. Step 2: Convert to fraction form
    89,316.75/123,253.92 = 50,553.74/x
  3. Step 3: Cross multiply
    89,316.75x = 123,253.92 × 50,553.74
  4. Step 4: Simplify right side
    89,316.75x = 6,230,946,625.66
  5. Step 5: Solve for x
    x = 6,230,946,625.66/89,316.75
  6. Step 6: Final answer
    x = 69,762.35

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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.