Home / 123,608.64-170,572.68-69,904.92

Finding the Fourth Proportional to 123,608.64, 170,572.68 and 69,904.92

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Solution

The fourth proportional to 123,608.64, 170,572.68 and 69,904.92 is: 96,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,608.64 : 170,572.68 = 69,904.92 : x
  2. Step 2: Convert to fraction form
    123,608.64/170,572.68 = 69,904.92/x
  3. Step 3: Cross multiply
    123,608.64x = 170,572.68 × 69,904.92
  4. Step 4: Simplify right side
    123,608.64x = 11,923,869,549.59
  5. Step 5: Solve for x
    x = 11,923,869,549.59/123,608.64
  6. Step 6: Final answer
    x = 96,464.69

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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.