Home / 123,550.25-170,499.33-66,961.62

Finding the Fourth Proportional to 123,550.25, 170,499.33 and 66,961.62

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Solution

The fourth proportional to 123,550.25, 170,499.33 and 66,961.62 is: 92,407.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,550.25 : 170,499.33 = 66,961.62 : x
  2. Step 2: Convert to fraction form
    123,550.25/170,499.33 = 66,961.62/x
  3. Step 3: Cross multiply
    123,550.25x = 170,499.33 × 66,961.62
  4. Step 4: Simplify right side
    123,550.25x = 11,416,911,345.71
  5. Step 5: Solve for x
    x = 11,416,911,345.71/123,550.25
  6. Step 6: Final answer
    x = 92,407.03

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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.