Home / 57,340.31-85,429.18-54,517.15

Finding the Fourth Proportional to 57,340.31, 85,429.18 and 54,517.15

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Solution

The fourth proportional to 57,340.31, 85,429.18 and 54,517.15 is: 81,223.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,340.31 : 85,429.18 = 54,517.15 : x
  2. Step 2: Convert to fraction form
    57,340.31/85,429.18 = 54,517.15/x
  3. Step 3: Cross multiply
    57,340.31x = 85,429.18 × 54,517.15
  4. Step 4: Simplify right side
    57,340.31x = 4,657,355,595.37
  5. Step 5: Solve for x
    x = 4,657,355,595.37/57,340.31
  6. Step 6: Final answer
    x = 81,223.07

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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.