Home / 88,140.83-132,263.77-31,985.32

Finding the Fourth Proportional to 88,140.83, 132,263.77 and 31,985.32

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Solution

The fourth proportional to 88,140.83, 132,263.77 and 31,985.32 is: 47,997.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,140.83 : 132,263.77 = 31,985.32 : x
  2. Step 2: Convert to fraction form
    88,140.83/132,263.77 = 31,985.32/x
  3. Step 3: Cross multiply
    88,140.83x = 132,263.77 × 31,985.32
  4. Step 4: Simplify right side
    88,140.83x = 4,230,498,346.54
  5. Step 5: Solve for x
    x = 4,230,498,346.54/88,140.83
  6. Step 6: Final answer
    x = 47,997.04

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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.