Home / 67,924.80-101,901.76-20,535.84

Finding the Fourth Proportional to 67,924.80, 101,901.76 and 20,535.84

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Solution

The fourth proportional to 67,924.80, 101,901.76 and 20,535.84 is: 30,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,924.80 : 101,901.76 = 20,535.84 : x
  2. Step 2: Convert to fraction form
    67,924.80/101,901.76 = 20,535.84/x
  3. Step 3: Cross multiply
    67,924.80x = 101,901.76 × 20,535.84
  4. Step 4: Simplify right side
    67,924.80x = 2,092,638,239.08
  5. Step 5: Solve for x
    x = 2,092,638,239.08/67,924.80
  6. Step 6: Final answer
    x = 30,808.16

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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.