Home / 57,751.12-86,429.49-48,401.70

Finding the Fourth Proportional to 57,751.12, 86,429.49 and 48,401.70

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Solution

The fourth proportional to 57,751.12, 86,429.49 and 48,401.70 is: 72,437.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,751.12 : 86,429.49 = 48,401.70 : x
  2. Step 2: Convert to fraction form
    57,751.12/86,429.49 = 48,401.70/x
  3. Step 3: Cross multiply
    57,751.12x = 86,429.49 × 48,401.70
  4. Step 4: Simplify right side
    57,751.12x = 4,183,334,246.13
  5. Step 5: Solve for x
    x = 4,183,334,246.13/57,751.12
  6. Step 6: Final answer
    x = 72,437.28

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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.