Home / 64,324.93-88,811.72-40,162.68

Finding the Fourth Proportional to 64,324.93, 88,811.72 and 40,162.68

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Solution

The fourth proportional to 64,324.93, 88,811.72 and 40,162.68 is: 55,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,324.93 : 88,811.72 = 40,162.68 : x
  2. Step 2: Convert to fraction form
    64,324.93/88,811.72 = 40,162.68/x
  3. Step 3: Cross multiply
    64,324.93x = 88,811.72 × 40,162.68
  4. Step 4: Simplify right side
    64,324.93x = 3,566,916,690.61
  5. Step 5: Solve for x
    x = 3,566,916,690.61/64,324.93
  6. Step 6: Final answer
    x = 55,451.54

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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.