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Finding the Fourth Proportional to 64,416.93, 88,899.92 and 35,745.77

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Solution

The fourth proportional to 64,416.93, 88,899.92 and 35,745.77 is: 49,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,416.93 : 88,899.92 = 35,745.77 : x
  2. Step 2: Convert to fraction form
    64,416.93/88,899.92 = 35,745.77/x
  3. Step 3: Cross multiply
    64,416.93x = 88,899.92 × 35,745.77
  4. Step 4: Simplify right side
    64,416.93x = 3,177,795,470.11
  5. Step 5: Solve for x
    x = 3,177,795,470.11/64,416.93
  6. Step 6: Final answer
    x = 49,331.68

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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.