Home / 88,081.02-132,087.60-31,904.46

Finding the Fourth Proportional to 88,081.02, 132,087.60 and 31,904.46

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Solution

The fourth proportional to 88,081.02, 132,087.60 and 31,904.46 is: 47,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,081.02 : 132,087.60 = 31,904.46 : x
  2. Step 2: Convert to fraction form
    88,081.02/132,087.60 = 31,904.46/x
  3. Step 3: Cross multiply
    88,081.02x = 132,087.60 × 31,904.46
  4. Step 4: Simplify right side
    88,081.02x = 4,214,183,550.70
  5. Step 5: Solve for x
    x = 4,214,183,550.70/88,081.02
  6. Step 6: Final answer
    x = 47,844.40

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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.