Home / 89,543.36-123,571.92-49,259.36

Finding the Fourth Proportional to 89,543.36, 123,571.92 and 49,259.36

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Solution

The fourth proportional to 89,543.36, 123,571.92 and 49,259.36 is: 67,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,543.36 : 123,571.92 = 49,259.36 : x
  2. Step 2: Convert to fraction form
    89,543.36/123,571.92 = 49,259.36/x
  3. Step 3: Cross multiply
    89,543.36x = 123,571.92 × 49,259.36
  4. Step 4: Simplify right side
    89,543.36x = 6,087,073,693.17
  5. Step 5: Solve for x
    x = 6,087,073,693.17/89,543.36
  6. Step 6: Final answer
    x = 67,979.06

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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.