Home / 82,356.70-123,555.30-23,191.60

Finding the Fourth Proportional to 82,356.70, 123,555.30 and 23,191.60

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Solution

The fourth proportional to 82,356.70, 123,555.30 and 23,191.60 is: 34,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,356.70 : 123,555.30 = 23,191.60 : x
  2. Step 2: Convert to fraction form
    82,356.70/123,555.30 = 23,191.60/x
  3. Step 3: Cross multiply
    82,356.70x = 123,555.30 × 23,191.60
  4. Step 4: Simplify right side
    82,356.70x = 2,865,445,095.48
  5. Step 5: Solve for x
    x = 2,865,445,095.48/82,356.70
  6. Step 6: Final answer
    x = 34,793.10

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1.5x scale

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.