Home / 89,982.54-135,064.80-52,614

Finding the Fourth Proportional to 89,982.54, 135,064.80 and 52,614

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Solution

The fourth proportional to 89,982.54, 135,064.80 and 52,614 is: 78,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.54 : 135,064.80 = 52,614 : x
  2. Step 2: Convert to fraction form
    89,982.54/135,064.80 = 52,614/x
  3. Step 3: Cross multiply
    89,982.54x = 135,064.80 × 52,614
  4. Step 4: Simplify right side
    89,982.54x = 7,106,299,387.20
  5. Step 5: Solve for x
    x = 7,106,299,387.20/89,982.54
  6. Step 6: Final answer
    x = 78,974.20

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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.