Home / 57,077.19-78,841.82-43,812.36

Finding the Fourth Proportional to 57,077.19, 78,841.82 and 43,812.36

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Solution

The fourth proportional to 57,077.19, 78,841.82 and 43,812.36 is: 60,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077.19 : 78,841.82 = 43,812.36 : x
  2. Step 2: Convert to fraction form
    57,077.19/78,841.82 = 43,812.36/x
  3. Step 3: Cross multiply
    57,077.19x = 78,841.82 × 43,812.36
  4. Step 4: Simplify right side
    57,077.19x = 3,454,246,310.43
  5. Step 5: Solve for x
    x = 3,454,246,310.43/57,077.19
  6. Step 6: Final answer
    x = 60,518.86

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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.