Home / 67,730.32-101,611.70-28,265.48

Finding the Fourth Proportional to 67,730.32, 101,611.70 and 28,265.48

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Solution

The fourth proportional to 67,730.32, 101,611.70 and 28,265.48 is: 42,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,730.32 : 101,611.70 = 28,265.48 : x
  2. Step 2: Convert to fraction form
    67,730.32/101,611.70 = 28,265.48/x
  3. Step 3: Cross multiply
    67,730.32x = 101,611.70 × 28,265.48
  4. Step 4: Simplify right side
    67,730.32x = 2,872,103,474.12
  5. Step 5: Solve for x
    x = 2,872,103,474.12/67,730.32
  6. Step 6: Final answer
    x = 42,404.99

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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.