Home / 67,515.21-101,272.85-17,595.18

Finding the Fourth Proportional to 67,515.21, 101,272.85 and 17,595.18

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Solution

The fourth proportional to 67,515.21, 101,272.85 and 17,595.18 is: 26,392.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,515.21 : 101,272.85 = 17,595.18 : x
  2. Step 2: Convert to fraction form
    67,515.21/101,272.85 = 17,595.18/x
  3. Step 3: Cross multiply
    67,515.21x = 101,272.85 × 17,595.18
  4. Step 4: Simplify right side
    67,515.21x = 1,781,913,936.89
  5. Step 5: Solve for x
    x = 1,781,913,936.89/67,515.21
  6. Step 6: Final answer
    x = 26,392.78

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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.