Home / 123,716.34-170,727.48-70,000.92

Finding the Fourth Proportional to 123,716.34, 170,727.48 and 70,000.92

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Solution

The fourth proportional to 123,716.34, 170,727.48 and 70,000.92 is: 96,600.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,716.34 : 170,727.48 = 70,000.92 : x
  2. Step 2: Convert to fraction form
    123,716.34/170,727.48 = 70,000.92/x
  3. Step 3: Cross multiply
    123,716.34x = 170,727.48 × 70,000.92
  4. Step 4: Simplify right side
    123,716.34x = 11,951,080,669.28
  5. Step 5: Solve for x
    x = 11,951,080,669.28/123,716.34
  6. Step 6: Final answer
    x = 96,600.66

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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.