Home / 89,734.44-134,685-45,392.52

Finding the Fourth Proportional to 89,734.44, 134,685 and 45,392.52

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Solution

The fourth proportional to 89,734.44, 134,685 and 45,392.52 is: 68,130.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,734.44 : 134,685 = 45,392.52 : x
  2. Step 2: Convert to fraction form
    89,734.44/134,685 = 45,392.52/x
  3. Step 3: Cross multiply
    89,734.44x = 134,685 × 45,392.52
  4. Step 4: Simplify right side
    89,734.44x = 6,113,691,556.20
  5. Step 5: Solve for x
    x = 6,113,691,556.20/89,734.44
  6. Step 6: Final answer
    x = 68,130.94

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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.