Home / 83,630.60-115,576.14-68,499.30

Finding the Fourth Proportional to 83,630.60, 115,576.14 and 68,499.30

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Solution

The fourth proportional to 83,630.60, 115,576.14 and 68,499.30 is: 94,664.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,630.60 : 115,576.14 = 68,499.30 : x
  2. Step 2: Convert to fraction form
    83,630.60/115,576.14 = 68,499.30/x
  3. Step 3: Cross multiply
    83,630.60x = 115,576.14 × 68,499.30
  4. Step 4: Simplify right side
    83,630.60x = 7,916,884,686.70
  5. Step 5: Solve for x
    x = 7,916,884,686.70/83,630.60
  6. Step 6: Final answer
    x = 94,664.93

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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.