Home / 88,091.60-132,132.64-31,161.52

Finding the Fourth Proportional to 88,091.60, 132,132.64 and 31,161.52

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Solution

The fourth proportional to 88,091.60, 132,132.64 and 31,161.52 is: 46,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,091.60 : 132,132.64 = 31,161.52 : x
  2. Step 2: Convert to fraction form
    88,091.60/132,132.64 = 31,161.52/x
  3. Step 3: Cross multiply
    88,091.60x = 132,132.64 × 31,161.52
  4. Step 4: Simplify right side
    88,091.60x = 4,117,453,904.01
  5. Step 5: Solve for x
    x = 4,117,453,904.01/88,091.60
  6. Step 6: Final answer
    x = 46,740.60

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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.