Home / 84,276.96-126,141.12-62,081.60

Finding the Fourth Proportional to 84,276.96, 126,141.12 and 62,081.60

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Solution

The fourth proportional to 84,276.96, 126,141.12 and 62,081.60 is: 92,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,276.96 : 126,141.12 = 62,081.60 : x
  2. Step 2: Convert to fraction form
    84,276.96/126,141.12 = 62,081.60/x
  3. Step 3: Cross multiply
    84,276.96x = 126,141.12 × 62,081.60
  4. Step 4: Simplify right side
    84,276.96x = 7,831,042,555.39
  5. Step 5: Solve for x
    x = 7,831,042,555.39/84,276.96
  6. Step 6: Final answer
    x = 92,920.33

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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.