Home / 89,911.57-134,867.31-26,731.42

Finding the Fourth Proportional to 89,911.57, 134,867.31 and 26,731.42

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Solution

The fourth proportional to 89,911.57, 134,867.31 and 26,731.42 is: 40,097.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,911.57 : 134,867.31 = 26,731.42 : x
  2. Step 2: Convert to fraction form
    89,911.57/134,867.31 = 26,731.42/x
  3. Step 3: Cross multiply
    89,911.57x = 134,867.31 × 26,731.42
  4. Step 4: Simplify right side
    89,911.57x = 3,605,194,302.37
  5. Step 5: Solve for x
    x = 3,605,194,302.37/89,911.57
  6. Step 6: Final answer
    x = 40,097.11

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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.