Home / 88,150.67-121,444.91-60,900.65

Finding the Fourth Proportional to 88,150.67, 121,444.91 and 60,900.65

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Solution

The fourth proportional to 88,150.67, 121,444.91 and 60,900.65 is: 83,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,150.67 : 121,444.91 = 60,900.65 : x
  2. Step 2: Convert to fraction form
    88,150.67/121,444.91 = 60,900.65/x
  3. Step 3: Cross multiply
    88,150.67x = 121,444.91 × 60,900.65
  4. Step 4: Simplify right side
    88,150.67x = 7,396,074,414.06
  5. Step 5: Solve for x
    x = 7,396,074,414.06/88,150.67
  6. Step 6: Final answer
    x = 83,902.64

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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.