Home / 83,500.60-115,235.58-49,529.20

Finding the Fourth Proportional to 83,500.60, 115,235.58 and 49,529.20

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Solution

The fourth proportional to 83,500.60, 115,235.58 and 49,529.20 is: 68,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,500.60 : 115,235.58 = 49,529.20 : x
  2. Step 2: Convert to fraction form
    83,500.60/115,235.58 = 49,529.20/x
  3. Step 3: Cross multiply
    83,500.60x = 115,235.58 × 49,529.20
  4. Step 4: Simplify right side
    83,500.60x = 5,707,525,986.58
  5. Step 5: Solve for x
    x = 5,707,525,986.58/83,500.60
  6. Step 6: Final answer
    x = 68,353.12

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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.