Home / 89,631.28-134,415.58-26,434.64

Finding the Fourth Proportional to 89,631.28, 134,415.58 and 26,434.64

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Solution

The fourth proportional to 89,631.28, 134,415.58 and 26,434.64 is: 39,642.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,631.28 : 134,415.58 = 26,434.64 : x
  2. Step 2: Convert to fraction form
    89,631.28/134,415.58 = 26,434.64/x
  3. Step 3: Cross multiply
    89,631.28x = 134,415.58 × 26,434.64
  4. Step 4: Simplify right side
    89,631.28x = 3,553,227,467.69
  5. Step 5: Solve for x
    x = 3,553,227,467.69/89,631.28
  6. Step 6: Final answer
    x = 39,642.72

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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.