Home / 123,708.24-170,717.16-67,119.60

Finding the Fourth Proportional to 123,708.24, 170,717.16 and 67,119.60

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Solution

The fourth proportional to 123,708.24, 170,717.16 and 67,119.60 is: 92,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,708.24 : 170,717.16 = 67,119.60 : x
  2. Step 2: Convert to fraction form
    123,708.24/170,717.16 = 67,119.60/x
  3. Step 3: Cross multiply
    123,708.24x = 170,717.16 × 67,119.60
  4. Step 4: Simplify right side
    123,708.24x = 11,458,467,492.34
  5. Step 5: Solve for x
    x = 11,458,467,492.34/123,708.24
  6. Step 6: Final answer
    x = 92,624.93

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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.