Home / 88,664.40-132,996.60-42,008.40

Finding the Fourth Proportional to 88,664.40, 132,996.60 and 42,008.40

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Solution

The fourth proportional to 88,664.40, 132,996.60 and 42,008.40 is: 63,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,664.40 : 132,996.60 = 42,008.40 : x
  2. Step 2: Convert to fraction form
    88,664.40/132,996.60 = 42,008.40/x
  3. Step 3: Cross multiply
    88,664.40x = 132,996.60 × 42,008.40
  4. Step 4: Simplify right side
    88,664.40x = 5,586,974,371.44
  5. Step 5: Solve for x
    x = 5,586,974,371.44/88,664.40
  6. Step 6: Final answer
    x = 63,012.60

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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.