Home / 64,929.33-89,604.41-39,764.61

Finding the Fourth Proportional to 64,929.33, 89,604.41 and 39,764.61

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Solution

The fourth proportional to 64,929.33, 89,604.41 and 39,764.61 is: 54,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,929.33 : 89,604.41 = 39,764.61 : x
  2. Step 2: Convert to fraction form
    64,929.33/89,604.41 = 39,764.61/x
  3. Step 3: Cross multiply
    64,929.33x = 89,604.41 × 39,764.61
  4. Step 4: Simplify right side
    64,929.33x = 3,563,084,219.11
  5. Step 5: Solve for x
    x = 3,563,084,219.11/64,929.33
  6. Step 6: Final answer
    x = 54,876.34

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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.