Home / 89,935.91-134,891.56-26,765.78

Finding the Fourth Proportional to 89,935.91, 134,891.56 and 26,765.78

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Solution

The fourth proportional to 89,935.91, 134,891.56 and 26,765.78 is: 40,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,935.91 : 134,891.56 = 26,765.78 : x
  2. Step 2: Convert to fraction form
    89,935.91/134,891.56 = 26,765.78/x
  3. Step 3: Cross multiply
    89,935.91x = 134,891.56 × 26,765.78
  4. Step 4: Simplify right side
    89,935.91x = 3,610,477,818.82
  5. Step 5: Solve for x
    x = 3,610,477,818.82/89,935.91
  6. Step 6: Final answer
    x = 40,145.01

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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.