Home / 80,592.21-111,212.14-44,780.13

Finding the Fourth Proportional to 80,592.21, 111,212.14 and 44,780.13

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Solution

The fourth proportional to 80,592.21, 111,212.14 and 44,780.13 is: 61,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592.21 : 111,212.14 = 44,780.13 : x
  2. Step 2: Convert to fraction form
    80,592.21/111,212.14 = 44,780.13/x
  3. Step 3: Cross multiply
    80,592.21x = 111,212.14 × 44,780.13
  4. Step 4: Simplify right side
    80,592.21x = 4,980,094,086.78
  5. Step 5: Solve for x
    x = 4,980,094,086.78/80,592.21
  6. Step 6: Final answer
    x = 61,793.74

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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.