Home / 89,356.25-134,005.22-39,434.33

Finding the Fourth Proportional to 89,356.25, 134,005.22 and 39,434.33

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Solution

The fourth proportional to 89,356.25, 134,005.22 and 39,434.33 is: 59,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,356.25 : 134,005.22 = 39,434.33 : x
  2. Step 2: Convert to fraction form
    89,356.25/134,005.22 = 39,434.33/x
  3. Step 3: Cross multiply
    89,356.25x = 134,005.22 × 39,434.33
  4. Step 4: Simplify right side
    89,356.25x = 5,284,406,352.92
  5. Step 5: Solve for x
    x = 5,284,406,352.92/89,356.25
  6. Step 6: Final answer
    x = 59,138.63

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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.