Home / 123,809.04-170,860.62-69,363.57

Finding the Fourth Proportional to 123,809.04, 170,860.62 and 69,363.57

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Solution

The fourth proportional to 123,809.04, 170,860.62 and 69,363.57 is: 95,724.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,809.04 : 170,860.62 = 69,363.57 : x
  2. Step 2: Convert to fraction form
    123,809.04/170,860.62 = 69,363.57/x
  3. Step 3: Cross multiply
    123,809.04x = 170,860.62 × 69,363.57
  4. Step 4: Simplify right side
    123,809.04x = 11,851,502,575.61
  5. Step 5: Solve for x
    x = 11,851,502,575.61/123,809.04
  6. Step 6: Final answer
    x = 95,724.05

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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.