Home / 88,042.77-132,074.40-31,909.32

Finding the Fourth Proportional to 88,042.77, 132,074.40 and 31,909.32

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Solution

The fourth proportional to 88,042.77, 132,074.40 and 31,909.32 is: 47,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,042.77 : 132,074.40 = 31,909.32 : x
  2. Step 2: Convert to fraction form
    88,042.77/132,074.40 = 31,909.32/x
  3. Step 3: Cross multiply
    88,042.77x = 132,074.40 × 31,909.32
  4. Step 4: Simplify right side
    88,042.77x = 4,214,404,293.41
  5. Step 5: Solve for x
    x = 4,214,404,293.41/88,042.77
  6. Step 6: Final answer
    x = 47,867.69

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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.