Home / 88,680.76-122,383.43-49,931.92

Finding the Fourth Proportional to 88,680.76, 122,383.43 and 49,931.92

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Solution

The fourth proportional to 88,680.76, 122,383.43 and 49,931.92 is: 68,908.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.76 : 122,383.43 = 49,931.92 : x
  2. Step 2: Convert to fraction form
    88,680.76/122,383.43 = 49,931.92/x
  3. Step 3: Cross multiply
    88,680.76x = 122,383.43 × 49,931.92
  4. Step 4: Simplify right side
    88,680.76x = 6,110,839,522.88
  5. Step 5: Solve for x
    x = 6,110,839,522.88/88,680.76
  6. Step 6: Final answer
    x = 68,908.29

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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.