Home / 67,711.50-101,567.28-18,463.50

Finding the Fourth Proportional to 67,711.50, 101,567.28 and 18,463.50

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Solution

The fourth proportional to 67,711.50, 101,567.28 and 18,463.50 is: 27,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,711.50 : 101,567.28 = 18,463.50 : x
  2. Step 2: Convert to fraction form
    67,711.50/101,567.28 = 18,463.50/x
  3. Step 3: Cross multiply
    67,711.50x = 101,567.28 × 18,463.50
  4. Step 4: Simplify right side
    67,711.50x = 1,875,287,474.28
  5. Step 5: Solve for x
    x = 1,875,287,474.28/67,711.50
  6. Step 6: Final answer
    x = 27,695.26

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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.