Home / 89,475.36-123,476.40-49,192.68

Finding the Fourth Proportional to 89,475.36, 123,476.40 and 49,192.68

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Solution

The fourth proportional to 89,475.36, 123,476.40 and 49,192.68 is: 67,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,475.36 : 123,476.40 = 49,192.68 : x
  2. Step 2: Convert to fraction form
    89,475.36/123,476.40 = 49,192.68/x
  3. Step 3: Cross multiply
    89,475.36x = 123,476.40 × 49,192.68
  4. Step 4: Simplify right side
    89,475.36x = 6,074,135,032.75
  5. Step 5: Solve for x
    x = 6,074,135,032.75/89,475.36
  6. Step 6: Final answer
    x = 67,886.12

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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.