Home / 89,581.40-123,558.80-76,059.38

Finding the Fourth Proportional to 89,581.40, 123,558.80 and 76,059.38

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Solution

The fourth proportional to 89,581.40, 123,558.80 and 76,059.38 is: 104,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,581.40 : 123,558.80 = 76,059.38 : x
  2. Step 2: Convert to fraction form
    89,581.40/123,558.80 = 76,059.38/x
  3. Step 3: Cross multiply
    89,581.40x = 123,558.80 × 76,059.38
  4. Step 4: Simplify right side
    89,581.40x = 9,397,805,721.54
  5. Step 5: Solve for x
    x = 9,397,805,721.54/89,581.40
  6. Step 6: Final answer
    x = 104,908.00

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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.