Home / 67,633.38-101,459.30-28,181.25

Finding the Fourth Proportional to 67,633.38, 101,459.30 and 28,181.25

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Solution

The fourth proportional to 67,633.38, 101,459.30 and 28,181.25 is: 42,275.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,633.38 : 101,459.30 = 28,181.25 : x
  2. Step 2: Convert to fraction form
    67,633.38/101,459.30 = 28,181.25/x
  3. Step 3: Cross multiply
    67,633.38x = 101,459.30 × 28,181.25
  4. Step 4: Simplify right side
    67,633.38x = 2,859,249,757.22
  5. Step 5: Solve for x
    x = 2,859,249,757.22/67,633.38
  6. Step 6: Final answer
    x = 42,275.72

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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.