Home / 89,574.12-134,380.62-27,243

Finding the Fourth Proportional to 89,574.12, 134,380.62 and 27,243

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Solution

The fourth proportional to 89,574.12, 134,380.62 and 27,243 is: 40,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,574.12 : 134,380.62 = 27,243 : x
  2. Step 2: Convert to fraction form
    89,574.12/134,380.62 = 27,243/x
  3. Step 3: Cross multiply
    89,574.12x = 134,380.62 × 27,243
  4. Step 4: Simplify right side
    89,574.12x = 3,660,931,230.66
  5. Step 5: Solve for x
    x = 3,660,931,230.66/89,574.12
  6. Step 6: Final answer
    x = 40,870.41

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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.