Home / 64,438.08-88,906.32-41,778

Finding the Fourth Proportional to 64,438.08, 88,906.32 and 41,778

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Solution

The fourth proportional to 64,438.08, 88,906.32 and 41,778 is: 57,641.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,438.08 : 88,906.32 = 41,778 : x
  2. Step 2: Convert to fraction form
    64,438.08/88,906.32 = 41,778/x
  3. Step 3: Cross multiply
    64,438.08x = 88,906.32 × 41,778
  4. Step 4: Simplify right side
    64,438.08x = 3,714,328,236.96
  5. Step 5: Solve for x
    x = 3,714,328,236.96/64,438.08
  6. Step 6: Final answer
    x = 57,641.82

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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.