Home / 96,746.22-145,145.58-40,556.78

Finding the Fourth Proportional to 96,746.22, 145,145.58 and 40,556.78

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Solution

The fourth proportional to 96,746.22, 145,145.58 and 40,556.78 is: 60,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,746.22 : 145,145.58 = 40,556.78 : x
  2. Step 2: Convert to fraction form
    96,746.22/145,145.58 = 40,556.78/x
  3. Step 3: Cross multiply
    96,746.22x = 145,145.58 × 40,556.78
  4. Step 4: Simplify right side
    96,746.22x = 5,886,637,356.03
  5. Step 5: Solve for x
    x = 5,886,637,356.03/96,746.22
  6. Step 6: Final answer
    x = 60,846.17

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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.