Home / 88,083.49-132,139.02-28,905.70

Finding the Fourth Proportional to 88,083.49, 132,139.02 and 28,905.70

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Solution

The fourth proportional to 88,083.49, 132,139.02 and 28,905.70 is: 43,363.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,083.49 : 132,139.02 = 28,905.70 : x
  2. Step 2: Convert to fraction form
    88,083.49/132,139.02 = 28,905.70/x
  3. Step 3: Cross multiply
    88,083.49x = 132,139.02 × 28,905.70
  4. Step 4: Simplify right side
    88,083.49x = 3,819,570,870.41
  5. Step 5: Solve for x
    x = 3,819,570,870.41/88,083.49
  6. Step 6: Final answer
    x = 43,363.07

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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.