Home / 67,262.72-92,821.20-42,126.08

Finding the Fourth Proportional to 67,262.72, 92,821.20 and 42,126.08

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Solution

The fourth proportional to 67,262.72, 92,821.20 and 42,126.08 is: 58,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,262.72 : 92,821.20 = 42,126.08 : x
  2. Step 2: Convert to fraction form
    67,262.72/92,821.20 = 42,126.08/x
  3. Step 3: Cross multiply
    67,262.72x = 92,821.20 × 42,126.08
  4. Step 4: Simplify right side
    67,262.72x = 3,910,193,296.90
  5. Step 5: Solve for x
    x = 3,910,193,296.90/67,262.72
  6. Step 6: Final answer
    x = 58,133.14

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1.5x scale

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.