Home / 71,134.61-98,175.24-40,919.18

Finding the Fourth Proportional to 71,134.61, 98,175.24 and 40,919.18

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Solution

The fourth proportional to 71,134.61, 98,175.24 and 40,919.18 is: 56,473.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134.61 : 98,175.24 = 40,919.18 : x
  2. Step 2: Convert to fraction form
    71,134.61/98,175.24 = 40,919.18/x
  3. Step 3: Cross multiply
    71,134.61x = 98,175.24 × 40,919.18
  4. Step 4: Simplify right side
    71,134.61x = 4,017,249,826.23
  5. Step 5: Solve for x
    x = 4,017,249,826.23/71,134.61
  6. Step 6: Final answer
    x = 56,473.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.