Home / 67,456.34-101,182.08-20,708

Finding the Fourth Proportional to 67,456.34, 101,182.08 and 20,708

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Solution

The fourth proportional to 67,456.34, 101,182.08 and 20,708 is: 31,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,456.34 : 101,182.08 = 20,708 : x
  2. Step 2: Convert to fraction form
    67,456.34/101,182.08 = 20,708/x
  3. Step 3: Cross multiply
    67,456.34x = 101,182.08 × 20,708
  4. Step 4: Simplify right side
    67,456.34x = 2,095,278,512.64
  5. Step 5: Solve for x
    x = 2,095,278,512.64/67,456.34
  6. Step 6: Final answer
    x = 31,061.25

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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.