Home / 123,616.04-170,600.68-69,910.60

Finding the Fourth Proportional to 123,616.04, 170,600.68 and 69,910.60

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Solution

The fourth proportional to 123,616.04, 170,600.68 and 69,910.60 is: 96,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,616.04 : 170,600.68 = 69,910.60 : x
  2. Step 2: Convert to fraction form
    123,616.04/170,600.68 = 69,910.60/x
  3. Step 3: Cross multiply
    123,616.04x = 170,600.68 × 69,910.60
  4. Step 4: Simplify right side
    123,616.04x = 11,926,795,899.21
  5. Step 5: Solve for x
    x = 11,926,795,899.21/123,616.04
  6. Step 6: Final answer
    x = 96,482.59

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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.