Home / 113,858.76-170,815.86-51,512.52

Finding the Fourth Proportional to 113,858.76, 170,815.86 and 51,512.52

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Solution

The fourth proportional to 113,858.76, 170,815.86 and 51,512.52 is: 77,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,858.76 : 170,815.86 = 51,512.52 : x
  2. Step 2: Convert to fraction form
    113,858.76/170,815.86 = 51,512.52/x
  3. Step 3: Cross multiply
    113,858.76x = 170,815.86 × 51,512.52
  4. Step 4: Simplify right side
    113,858.76x = 8,799,155,404.57
  5. Step 5: Solve for x
    x = 8,799,155,404.57/113,858.76
  6. Step 6: Final answer
    x = 77,281.32

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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.