Home / 88,005.20-132,006.60-28,842.80

Finding the Fourth Proportional to 88,005.20, 132,006.60 and 28,842.80

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Solution

The fourth proportional to 88,005.20, 132,006.60 and 28,842.80 is: 43,263.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,005.20 : 132,006.60 = 28,842.80 : x
  2. Step 2: Convert to fraction form
    88,005.20/132,006.60 = 28,842.80/x
  3. Step 3: Cross multiply
    88,005.20x = 132,006.60 × 28,842.80
  4. Step 4: Simplify right side
    88,005.20x = 3,807,439,962.48
  5. Step 5: Solve for x
    x = 3,807,439,962.48/88,005.20
  6. Step 6: Final answer
    x = 43,263.81

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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.