Home / 83,650.40-125,364.84-61,359.40

Finding the Fourth Proportional to 83,650.40, 125,364.84 and 61,359.40

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Solution

The fourth proportional to 83,650.40, 125,364.84 and 61,359.40 is: 91,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,650.40 : 125,364.84 = 61,359.40 : x
  2. Step 2: Convert to fraction form
    83,650.40/125,364.84 = 61,359.40/x
  3. Step 3: Cross multiply
    83,650.40x = 125,364.84 × 61,359.40
  4. Step 4: Simplify right side
    83,650.40x = 7,692,311,363.50
  5. Step 5: Solve for x
    x = 7,692,311,363.50/83,650.40
  6. Step 6: Final answer
    x = 91,957.86

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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.