Home / 78,722.12-108,632.94-44,729.84

Finding the Fourth Proportional to 78,722.12, 108,632.94 and 44,729.84

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Solution

The fourth proportional to 78,722.12, 108,632.94 and 44,729.84 is: 61,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,722.12 : 108,632.94 = 44,729.84 : x
  2. Step 2: Convert to fraction form
    78,722.12/108,632.94 = 44,729.84/x
  3. Step 3: Cross multiply
    78,722.12x = 108,632.94 × 44,729.84
  4. Step 4: Simplify right side
    78,722.12x = 4,859,134,024.93
  5. Step 5: Solve for x
    x = 4,859,134,024.93/78,722.12
  6. Step 6: Final answer
    x = 61,725.14

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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.