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Finding the Fourth Proportional to 72,677.76, 100,298.88 and 44,378.88

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Solution

The fourth proportional to 72,677.76, 100,298.88 and 44,378.88 is: 61,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,677.76 : 100,298.88 = 44,378.88 : x
  2. Step 2: Convert to fraction form
    72,677.76/100,298.88 = 44,378.88/x
  3. Step 3: Cross multiply
    72,677.76x = 100,298.88 × 44,378.88
  4. Step 4: Simplify right side
    72,677.76x = 4,451,151,959.65
  5. Step 5: Solve for x
    x = 4,451,151,959.65/72,677.76
  6. Step 6: Final answer
    x = 61,245.04

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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.