Home / 81,364.12-112,294.27-45,556.44

Finding the Fourth Proportional to 81,364.12, 112,294.27 and 45,556.44

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Solution

The fourth proportional to 81,364.12, 112,294.27 and 45,556.44 is: 62,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,364.12 : 112,294.27 = 45,556.44 : x
  2. Step 2: Convert to fraction form
    81,364.12/112,294.27 = 45,556.44/x
  3. Step 3: Cross multiply
    81,364.12x = 112,294.27 × 45,556.44
  4. Step 4: Simplify right side
    81,364.12x = 5,115,726,809.44
  5. Step 5: Solve for x
    x = 5,115,726,809.44/81,364.12
  6. Step 6: Final answer
    x = 62,874.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.