Home / 89,549.15-123,587.78-49,266.23

Finding the Fourth Proportional to 89,549.15, 123,587.78 and 49,266.23

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Solution

The fourth proportional to 89,549.15, 123,587.78 and 49,266.23 is: 67,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,549.15 : 123,587.78 = 49,266.23 : x
  2. Step 2: Convert to fraction form
    89,549.15/123,587.78 = 49,266.23/x
  3. Step 3: Cross multiply
    89,549.15x = 123,587.78 × 49,266.23
  4. Step 4: Simplify right side
    89,549.15x = 6,088,703,130.40
  5. Step 5: Solve for x
    x = 6,088,703,130.40/89,549.15
  6. Step 6: Final answer
    x = 67,992.87

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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.