Home / 73,961.44-110,981.20-42,818.40

Finding the Fourth Proportional to 73,961.44, 110,981.20 and 42,818.40

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Solution

The fourth proportional to 73,961.44, 110,981.20 and 42,818.40 is: 64,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,961.44 : 110,981.20 = 42,818.40 : x
  2. Step 2: Convert to fraction form
    73,961.44/110,981.20 = 42,818.40/x
  3. Step 3: Cross multiply
    73,961.44x = 110,981.20 × 42,818.40
  4. Step 4: Simplify right side
    73,961.44x = 4,752,037,414.08
  5. Step 5: Solve for x
    x = 4,752,037,414.08/73,961.44
  6. Step 6: Final answer
    x = 64,250.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.