Home / 69,717.84-96,177.96-42,850.68

Finding the Fourth Proportional to 69,717.84, 96,177.96 and 42,850.68

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Solution

The fourth proportional to 69,717.84, 96,177.96 and 42,850.68 is: 59,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,717.84 : 96,177.96 = 42,850.68 : x
  2. Step 2: Convert to fraction form
    69,717.84/96,177.96 = 42,850.68/x
  3. Step 3: Cross multiply
    69,717.84x = 96,177.96 × 42,850.68
  4. Step 4: Simplify right side
    69,717.84x = 4,121,290,987.01
  5. Step 5: Solve for x
    x = 4,121,290,987.01/69,717.84
  6. Step 6: Final answer
    x = 59,113.87

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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.