Home / 123,735.20-170,754.48-70,019.24

Finding the Fourth Proportional to 123,735.20, 170,754.48 and 70,019.24

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Solution

The fourth proportional to 123,735.20, 170,754.48 and 70,019.24 is: 96,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,735.20 : 170,754.48 = 70,019.24 : x
  2. Step 2: Convert to fraction form
    123,735.20/170,754.48 = 70,019.24/x
  3. Step 3: Cross multiply
    123,735.20x = 170,754.48 × 70,019.24
  4. Step 4: Simplify right side
    123,735.20x = 11,956,098,062.42
  5. Step 5: Solve for x
    x = 11,956,098,062.42/123,735.20
  6. Step 6: Final answer
    x = 96,626.49

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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.