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Finding the Fourth Proportional to 72,624.93, 100,227.78 and 40,795.71

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Solution

The fourth proportional to 72,624.93, 100,227.78 and 40,795.71 is: 56,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,624.93 : 100,227.78 = 40,795.71 : x
  2. Step 2: Convert to fraction form
    72,624.93/100,227.78 = 40,795.71/x
  3. Step 3: Cross multiply
    72,624.93x = 100,227.78 × 40,795.71
  4. Step 4: Simplify right side
    72,624.93x = 4,088,863,446.82
  5. Step 5: Solve for x
    x = 4,088,863,446.82/72,624.93
  6. Step 6: Final answer
    x = 56,301.10

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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.