Home / 83,570.97-125,238.60-46,147.89

Finding the Fourth Proportional to 83,570.97, 125,238.60 and 46,147.89

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Solution

The fourth proportional to 83,570.97, 125,238.60 and 46,147.89 is: 69,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,570.97 : 125,238.60 = 46,147.89 : x
  2. Step 2: Convert to fraction form
    83,570.97/125,238.60 = 46,147.89/x
  3. Step 3: Cross multiply
    83,570.97x = 125,238.60 × 46,147.89
  4. Step 4: Simplify right side
    83,570.97x = 5,779,497,136.55
  5. Step 5: Solve for x
    x = 5,779,497,136.55/83,570.97
  6. Step 6: Final answer
    x = 69,156.76

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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.