Home / 67,234.30-100,851.45-42,351.10

Finding the Fourth Proportional to 67,234.30, 100,851.45 and 42,351.10

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Solution

The fourth proportional to 67,234.30, 100,851.45 and 42,351.10 is: 63,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,234.30 : 100,851.45 = 42,351.10 : x
  2. Step 2: Convert to fraction form
    67,234.30/100,851.45 = 42,351.10/x
  3. Step 3: Cross multiply
    67,234.30x = 100,851.45 × 42,351.10
  4. Step 4: Simplify right side
    67,234.30x = 4,271,169,844.10
  5. Step 5: Solve for x
    x = 4,271,169,844.10/67,234.30
  6. Step 6: Final answer
    x = 63,526.65

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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.