Home / 102,559.98-141,532.46-57,237.48

Finding the Fourth Proportional to 102,559.98, 141,532.46 and 57,237.48

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Solution

The fourth proportional to 102,559.98, 141,532.46 and 57,237.48 is: 78,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,559.98 : 141,532.46 = 57,237.48 : x
  2. Step 2: Convert to fraction form
    102,559.98/141,532.46 = 57,237.48/x
  3. Step 3: Cross multiply
    102,559.98x = 141,532.46 × 57,237.48
  4. Step 4: Simplify right side
    102,559.98x = 8,100,961,348.60
  5. Step 5: Solve for x
    x = 8,100,961,348.60/102,559.98
  6. Step 6: Final answer
    x = 78,987.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.