Home / 57,903.20-86,725.20-44,712.80

Finding the Fourth Proportional to 57,903.20, 86,725.20 and 44,712.80

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Solution

The fourth proportional to 57,903.20, 86,725.20 and 44,712.80 is: 66,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,903.20 : 86,725.20 = 44,712.80 : x
  2. Step 2: Convert to fraction form
    57,903.20/86,725.20 = 44,712.80/x
  3. Step 3: Cross multiply
    57,903.20x = 86,725.20 × 44,712.80
  4. Step 4: Simplify right side
    57,903.20x = 3,877,726,522.56
  5. Step 5: Solve for x
    x = 3,877,726,522.56/57,903.20
  6. Step 6: Final answer
    x = 66,969.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.