Home / 81,344.18-112,265.53-45,541.62

Finding the Fourth Proportional to 81,344.18, 112,265.53 and 45,541.62

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Solution

The fourth proportional to 81,344.18, 112,265.53 and 45,541.62 is: 62,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,344.18 : 112,265.53 = 45,541.62 : x
  2. Step 2: Convert to fraction form
    81,344.18/112,265.53 = 45,541.62/x
  3. Step 3: Cross multiply
    81,344.18x = 112,265.53 × 45,541.62
  4. Step 4: Simplify right side
    81,344.18x = 5,112,753,992.50
  5. Step 5: Solve for x
    x = 5,112,753,992.50/81,344.18
  6. Step 6: Final answer
    x = 62,853.35

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1.5x scale

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.