Home / 72,376.91-99,882.96-40,546.07

Finding the Fourth Proportional to 72,376.91, 99,882.96 and 40,546.07

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Solution

The fourth proportional to 72,376.91, 99,882.96 and 40,546.07 is: 55,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,376.91 : 99,882.96 = 40,546.07 : x
  2. Step 2: Convert to fraction form
    72,376.91/99,882.96 = 40,546.07/x
  3. Step 3: Cross multiply
    72,376.91x = 99,882.96 × 40,546.07
  4. Step 4: Simplify right side
    72,376.91x = 4,049,861,487.97
  5. Step 5: Solve for x
    x = 4,049,861,487.97/72,376.91
  6. Step 6: Final answer
    x = 55,955.16

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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.