Home / 67,041.81-100,562.63-17,121.96

Finding the Fourth Proportional to 67,041.81, 100,562.63 and 17,121.96

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Solution

The fourth proportional to 67,041.81, 100,562.63 and 17,121.96 is: 25,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041.81 : 100,562.63 = 17,121.96 : x
  2. Step 2: Convert to fraction form
    67,041.81/100,562.63 = 17,121.96/x
  3. Step 3: Cross multiply
    67,041.81x = 100,562.63 × 17,121.96
  4. Step 4: Simplify right side
    67,041.81x = 1,721,829,242.75
  5. Step 5: Solve for x
    x = 1,721,829,242.75/67,041.81
  6. Step 6: Final answer
    x = 25,682.92

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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.