Home / 123,617.36-170,595.32-69,910.36

Finding the Fourth Proportional to 123,617.36, 170,595.32 and 69,910.36

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Solution

The fourth proportional to 123,617.36, 170,595.32 and 69,910.36 is: 96,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,617.36 : 170,595.32 = 69,910.36 : x
  2. Step 2: Convert to fraction form
    123,617.36/170,595.32 = 69,910.36/x
  3. Step 3: Cross multiply
    123,617.36x = 170,595.32 × 69,910.36
  4. Step 4: Simplify right side
    123,617.36x = 11,926,380,235.52
  5. Step 5: Solve for x
    x = 11,926,380,235.52/123,617.36
  6. Step 6: Final answer
    x = 96,478.20

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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.