Home / 67,335.18-101,002.77-20,588.06

Finding the Fourth Proportional to 67,335.18, 101,002.77 and 20,588.06

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Solution

The fourth proportional to 67,335.18, 101,002.77 and 20,588.06 is: 30,882.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,335.18 : 101,002.77 = 20,588.06 : x
  2. Step 2: Convert to fraction form
    67,335.18/101,002.77 = 20,588.06/x
  3. Step 3: Cross multiply
    67,335.18x = 101,002.77 × 20,588.06
  4. Step 4: Simplify right side
    67,335.18x = 2,079,450,583.91
  5. Step 5: Solve for x
    x = 2,079,450,583.91/67,335.18
  6. Step 6: Final answer
    x = 30,882.08

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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.