Home / 83,854.20-125,522.10-48,689.40

Finding the Fourth Proportional to 83,854.20, 125,522.10 and 48,689.40

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Solution

The fourth proportional to 83,854.20, 125,522.10 and 48,689.40 is: 72,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,854.20 : 125,522.10 = 48,689.40 : x
  2. Step 2: Convert to fraction form
    83,854.20/125,522.10 = 48,689.40/x
  3. Step 3: Cross multiply
    83,854.20x = 125,522.10 × 48,689.40
  4. Step 4: Simplify right side
    83,854.20x = 6,111,595,735.74
  5. Step 5: Solve for x
    x = 6,111,595,735.74/83,854.20
  6. Step 6: Final answer
    x = 72,883.60

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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.