Home / 57,520.80-86,166.32-45,694.53

Finding the Fourth Proportional to 57,520.80, 86,166.32 and 45,694.53

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Solution

The fourth proportional to 57,520.80, 86,166.32 and 45,694.53 is: 68,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520.80 : 86,166.32 = 45,694.53 : x
  2. Step 2: Convert to fraction form
    57,520.80/86,166.32 = 45,694.53/x
  3. Step 3: Cross multiply
    57,520.80x = 86,166.32 × 45,694.53
  4. Step 4: Simplify right side
    57,520.80x = 3,937,329,265.76
  5. Step 5: Solve for x
    x = 3,937,329,265.76/57,520.80
  6. Step 6: Final answer
    x = 68,450.53

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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.