Home / 67,384.20-101,076.30-64,103.70

Finding the Fourth Proportional to 67,384.20, 101,076.30 and 64,103.70

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Solution

The fourth proportional to 67,384.20, 101,076.30 and 64,103.70 is: 96,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,384.20 : 101,076.30 = 64,103.70 : x
  2. Step 2: Convert to fraction form
    67,384.20/101,076.30 = 64,103.70/x
  3. Step 3: Cross multiply
    67,384.20x = 101,076.30 × 64,103.70
  4. Step 4: Simplify right side
    67,384.20x = 6,479,364,812.31
  5. Step 5: Solve for x
    x = 6,479,364,812.31/67,384.20
  6. Step 6: Final answer
    x = 96,155.55

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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.