Home / 71,856.06-99,164.42-40,024.97

Finding the Fourth Proportional to 71,856.06, 99,164.42 and 40,024.97

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Solution

The fourth proportional to 71,856.06, 99,164.42 and 40,024.97 is: 55,236.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,856.06 : 99,164.42 = 40,024.97 : x
  2. Step 2: Convert to fraction form
    71,856.06/99,164.42 = 40,024.97/x
  3. Step 3: Cross multiply
    71,856.06x = 99,164.42 × 40,024.97
  4. Step 4: Simplify right side
    71,856.06x = 3,969,052,935.57
  5. Step 5: Solve for x
    x = 3,969,052,935.57/71,856.06
  6. Step 6: Final answer
    x = 55,236.16

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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.