Home / 88,971.38-133,777.13-82,036.16

Finding the Fourth Proportional to 88,971.38, 133,777.13 and 82,036.16

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Solution

The fourth proportional to 88,971.38, 133,777.13 and 82,036.16 is: 123,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,971.38 : 133,777.13 = 82,036.16 : x
  2. Step 2: Convert to fraction form
    88,971.38/133,777.13 = 82,036.16/x
  3. Step 3: Cross multiply
    88,971.38x = 133,777.13 × 82,036.16
  4. Step 4: Simplify right side
    88,971.38x = 10,974,560,961.95
  5. Step 5: Solve for x
    x = 10,974,560,961.95/88,971.38
  6. Step 6: Final answer
    x = 123,349.35

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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.