Home / 53,671.71-80,115.18-49,768.59

Finding the Fourth Proportional to 53,671.71, 80,115.18 and 49,768.59

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Solution

The fourth proportional to 53,671.71, 80,115.18 and 49,768.59 is: 74,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,671.71 : 80,115.18 = 49,768.59 : x
  2. Step 2: Convert to fraction form
    53,671.71/80,115.18 = 49,768.59/x
  3. Step 3: Cross multiply
    53,671.71x = 80,115.18 × 49,768.59
  4. Step 4: Simplify right side
    53,671.71x = 3,987,219,546.20
  5. Step 5: Solve for x
    x = 3,987,219,546.20/53,671.71
  6. Step 6: Final answer
    x = 74,289.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.