Home / 88,427.60-132,641.40-51,102.80

Finding the Fourth Proportional to 88,427.60, 132,641.40 and 51,102.80

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Solution

The fourth proportional to 88,427.60, 132,641.40 and 51,102.80 is: 76,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,427.60 : 132,641.40 = 51,102.80 : x
  2. Step 2: Convert to fraction form
    88,427.60/132,641.40 = 51,102.80/x
  3. Step 3: Cross multiply
    88,427.60x = 132,641.40 × 51,102.80
  4. Step 4: Simplify right side
    88,427.60x = 6,778,346,935.92
  5. Step 5: Solve for x
    x = 6,778,346,935.92/88,427.60
  6. Step 6: Final answer
    x = 76,654.20

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1.5x scale

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.