Home / 89,742.30-134,634.36-29,766.39

Finding the Fourth Proportional to 89,742.30, 134,634.36 and 29,766.39

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Solution

The fourth proportional to 89,742.30, 134,634.36 and 29,766.39 is: 44,656.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,742.30 : 134,634.36 = 29,766.39 : x
  2. Step 2: Convert to fraction form
    89,742.30/134,634.36 = 29,766.39/x
  3. Step 3: Cross multiply
    89,742.30x = 134,634.36 × 29,766.39
  4. Step 4: Simplify right side
    89,742.30x = 4,007,578,867.16
  5. Step 5: Solve for x
    x = 4,007,578,867.16/89,742.30
  6. Step 6: Final answer
    x = 44,656.52

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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.