Home / 123,659.07-170,649.53-69,942.93

Finding the Fourth Proportional to 123,659.07, 170,649.53 and 69,942.93

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Solution

The fourth proportional to 123,659.07, 170,649.53 and 69,942.93 is: 96,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,659.07 : 170,649.53 = 69,942.93 : x
  2. Step 2: Convert to fraction form
    123,659.07/170,649.53 = 69,942.93/x
  3. Step 3: Cross multiply
    123,659.07x = 170,649.53 × 69,942.93
  4. Step 4: Simplify right side
    123,659.07x = 11,935,727,781.61
  5. Step 5: Solve for x
    x = 11,935,727,781.61/123,659.07
  6. Step 6: Final answer
    x = 96,521.25

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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.