Home / 67,977.12-93,853.62-42,521.88

Finding the Fourth Proportional to 67,977.12, 93,853.62 and 42,521.88

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Solution

The fourth proportional to 67,977.12, 93,853.62 and 42,521.88 is: 58,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,977.12 : 93,853.62 = 42,521.88 : x
  2. Step 2: Convert to fraction form
    67,977.12/93,853.62 = 42,521.88/x
  3. Step 3: Cross multiply
    67,977.12x = 93,853.62 × 42,521.88
  4. Step 4: Simplify right side
    67,977.12x = 3,990,832,367.21
  5. Step 5: Solve for x
    x = 3,990,832,367.21/67,977.12
  6. Step 6: Final answer
    x = 58,708.46

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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.