Home / 88,170.24-132,260.36-28,203.98

Finding the Fourth Proportional to 88,170.24, 132,260.36 and 28,203.98

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Solution

The fourth proportional to 88,170.24, 132,260.36 and 28,203.98 is: 42,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,170.24 : 132,260.36 = 28,203.98 : x
  2. Step 2: Convert to fraction form
    88,170.24/132,260.36 = 28,203.98/x
  3. Step 3: Cross multiply
    88,170.24x = 132,260.36 × 28,203.98
  4. Step 4: Simplify right side
    88,170.24x = 3,730,268,648.52
  5. Step 5: Solve for x
    x = 3,730,268,648.52/88,170.24
  6. Step 6: Final answer
    x = 42,307.57

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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.