Home / 89,399.93-123,371.95-49,116.28

Finding the Fourth Proportional to 89,399.93, 123,371.95 and 49,116.28

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Solution

The fourth proportional to 89,399.93, 123,371.95 and 49,116.28 is: 67,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,399.93 : 123,371.95 = 49,116.28 : x
  2. Step 2: Convert to fraction form
    89,399.93/123,371.95 = 49,116.28/x
  3. Step 3: Cross multiply
    89,399.93x = 123,371.95 × 49,116.28
  4. Step 4: Simplify right side
    89,399.93x = 6,059,571,425.99
  5. Step 5: Solve for x
    x = 6,059,571,425.99/89,399.93
  6. Step 6: Final answer
    x = 67,780.50

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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.