Home / 45,794.20-68,691.30-42,003.40

Finding the Fourth Proportional to 45,794.20, 68,691.30 and 42,003.40

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Solution

The fourth proportional to 45,794.20, 68,691.30 and 42,003.40 is: 63,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,794.20 : 68,691.30 = 42,003.40 : x
  2. Step 2: Convert to fraction form
    45,794.20/68,691.30 = 42,003.40/x
  3. Step 3: Cross multiply
    45,794.20x = 68,691.30 × 42,003.40
  4. Step 4: Simplify right side
    45,794.20x = 2,885,268,150.42
  5. Step 5: Solve for x
    x = 2,885,268,150.42/45,794.20
  6. Step 6: Final answer
    x = 63,005.10

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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.