Home / 88,028.13-121,467.15-49,792.89

Finding the Fourth Proportional to 88,028.13, 121,467.15 and 49,792.89

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Solution

The fourth proportional to 88,028.13, 121,467.15 and 49,792.89 is: 68,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,028.13 : 121,467.15 = 49,792.89 : x
  2. Step 2: Convert to fraction form
    88,028.13/121,467.15 = 49,792.89/x
  3. Step 3: Cross multiply
    88,028.13x = 121,467.15 × 49,792.89
  4. Step 4: Simplify right side
    88,028.13x = 6,048,200,438.56
  5. Step 5: Solve for x
    x = 6,048,200,438.56/88,028.13
  6. Step 6: Final answer
    x = 68,707.59

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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.