Home / 58,551-87,734.46-45,256.53

Finding the Fourth Proportional to 58,551, 87,734.46 and 45,256.53

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Solution

The fourth proportional to 58,551, 87,734.46 and 45,256.53 is: 67,813.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,551 : 87,734.46 = 45,256.53 : x
  2. Step 2: Convert to fraction form
    58,551/87,734.46 = 45,256.53/x
  3. Step 3: Cross multiply
    58,551x = 87,734.46 × 45,256.53
  4. Step 4: Simplify right side
    58,551x = 3,970,557,221.02
  5. Step 5: Solve for x
    x = 3,970,557,221.02/58,551
  6. Step 6: Final answer
    x = 67,813.65

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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.