Home / 123,550.32-170,494.86-66,960.48

Finding the Fourth Proportional to 123,550.32, 170,494.86 and 66,960.48

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Solution

The fourth proportional to 123,550.32, 170,494.86 and 66,960.48 is: 92,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,550.32 : 170,494.86 = 66,960.48 : x
  2. Step 2: Convert to fraction form
    123,550.32/170,494.86 = 66,960.48/x
  3. Step 3: Cross multiply
    123,550.32x = 170,494.86 × 66,960.48
  4. Step 4: Simplify right side
    123,550.32x = 11,416,417,663.13
  5. Step 5: Solve for x
    x = 11,416,417,663.13/123,550.32
  6. Step 6: Final answer
    x = 92,402.98

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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.