Home / 67,421.04-101,134.10-17,499.84

Finding the Fourth Proportional to 67,421.04, 101,134.10 and 17,499.84

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Solution

The fourth proportional to 67,421.04, 101,134.10 and 17,499.84 is: 26,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,421.04 : 101,134.10 = 17,499.84 : x
  2. Step 2: Convert to fraction form
    67,421.04/101,134.10 = 17,499.84/x
  3. Step 3: Cross multiply
    67,421.04x = 101,134.10 × 17,499.84
  4. Step 4: Simplify right side
    67,421.04x = 1,769,830,568.54
  5. Step 5: Solve for x
    x = 1,769,830,568.54/67,421.04
  6. Step 6: Final answer
    x = 26,250.42

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1.5x scale

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.