Home / 89,512.31-123,527.03-49,228.80

Finding the Fourth Proportional to 89,512.31, 123,527.03 and 49,228.80

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Solution

The fourth proportional to 89,512.31, 123,527.03 and 49,228.80 is: 67,935.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,512.31 : 123,527.03 = 49,228.80 : x
  2. Step 2: Convert to fraction form
    89,512.31/123,527.03 = 49,228.80/x
  3. Step 3: Cross multiply
    89,512.31x = 123,527.03 × 49,228.80
  4. Step 4: Simplify right side
    89,512.31x = 6,081,087,208.32
  5. Step 5: Solve for x
    x = 6,081,087,208.32/89,512.31
  6. Step 6: Final answer
    x = 67,935.77

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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.