Home / 89,348.40-133,836.30-42,003.90

Finding the Fourth Proportional to 89,348.40, 133,836.30 and 42,003.90

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Solution

The fourth proportional to 89,348.40, 133,836.30 and 42,003.90 is: 62,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,348.40 : 133,836.30 = 42,003.90 : x
  2. Step 2: Convert to fraction form
    89,348.40/133,836.30 = 42,003.90/x
  3. Step 3: Cross multiply
    89,348.40x = 133,836.30 × 42,003.90
  4. Step 4: Simplify right side
    89,348.40x = 5,621,646,561.57
  5. Step 5: Solve for x
    x = 5,621,646,561.57/89,348.40
  6. Step 6: Final answer
    x = 62,918.27

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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.