Home / 89,634.70-134,420.61-26,438.02

Finding the Fourth Proportional to 89,634.70, 134,420.61 and 26,438.02

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Solution

The fourth proportional to 89,634.70, 134,420.61 and 26,438.02 is: 39,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,634.70 : 134,420.61 = 26,438.02 : x
  2. Step 2: Convert to fraction form
    89,634.70/134,420.61 = 26,438.02/x
  3. Step 3: Cross multiply
    89,634.70x = 134,420.61 × 26,438.02
  4. Step 4: Simplify right side
    89,634.70x = 3,553,814,775.59
  5. Step 5: Solve for x
    x = 3,553,814,775.59/89,634.70
  6. Step 6: Final answer
    x = 39,647.76

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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.