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Finding the Fourth Proportional to 73,081.46, 100,860.92 and 60,795.16

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Solution

The fourth proportional to 73,081.46, 100,860.92 and 60,795.16 is: 83,904.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,081.46 : 100,860.92 = 60,795.16 : x
  2. Step 2: Convert to fraction form
    73,081.46/100,860.92 = 60,795.16/x
  3. Step 3: Cross multiply
    73,081.46x = 100,860.92 × 60,795.16
  4. Step 4: Simplify right side
    73,081.46x = 6,131,855,769.15
  5. Step 5: Solve for x
    x = 6,131,855,769.15/73,081.46
  6. Step 6: Final answer
    x = 83,904.40

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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.