Home / 55,630.18-76,786.17-48,156.82

Finding the Fourth Proportional to 55,630.18, 76,786.17 and 48,156.82

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Solution

The fourth proportional to 55,630.18, 76,786.17 and 48,156.82 is: 66,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,630.18 : 76,786.17 = 48,156.82 : x
  2. Step 2: Convert to fraction form
    55,630.18/76,786.17 = 48,156.82/x
  3. Step 3: Cross multiply
    55,630.18x = 76,786.17 × 48,156.82
  4. Step 4: Simplify right side
    55,630.18x = 3,697,777,767.18
  5. Step 5: Solve for x
    x = 3,697,777,767.18/55,630.18
  6. Step 6: Final answer
    x = 66,470.71

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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.