Home / 112,481.36-168,746.76-42,360.56

Finding the Fourth Proportional to 112,481.36, 168,746.76 and 42,360.56

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Solution

The fourth proportional to 112,481.36, 168,746.76 and 42,360.56 is: 63,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,481.36 : 168,746.76 = 42,360.56 : x
  2. Step 2: Convert to fraction form
    112,481.36/168,746.76 = 42,360.56/x
  3. Step 3: Cross multiply
    112,481.36x = 168,746.76 × 42,360.56
  4. Step 4: Simplify right side
    112,481.36x = 7,148,207,251.79
  5. Step 5: Solve for x
    x = 7,148,207,251.79/112,481.36
  6. Step 6: Final answer
    x = 63,550.15

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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.