Home / 80,960.72-121,442.29-36,556.52

Finding the Fourth Proportional to 80,960.72, 121,442.29 and 36,556.52

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Solution

The fourth proportional to 80,960.72, 121,442.29 and 36,556.52 is: 54,835.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,960.72 : 121,442.29 = 36,556.52 : x
  2. Step 2: Convert to fraction form
    80,960.72/121,442.29 = 36,556.52/x
  3. Step 3: Cross multiply
    80,960.72x = 121,442.29 × 36,556.52
  4. Step 4: Simplify right side
    80,960.72x = 4,439,506,804.63
  5. Step 5: Solve for x
    x = 4,439,506,804.63/80,960.72
  6. Step 6: Final answer
    x = 54,835.32

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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.