Home / 64,888.14-89,551.92-39,388.64

Finding the Fourth Proportional to 64,888.14, 89,551.92 and 39,388.64

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Solution

The fourth proportional to 64,888.14, 89,551.92 and 39,388.64 is: 54,360.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,888.14 : 89,551.92 = 39,388.64 : x
  2. Step 2: Convert to fraction form
    64,888.14/89,551.92 = 39,388.64/x
  3. Step 3: Cross multiply
    64,888.14x = 89,551.92 × 39,388.64
  4. Step 4: Simplify right side
    64,888.14x = 3,527,328,338.19
  5. Step 5: Solve for x
    x = 3,527,328,338.19/64,888.14
  6. Step 6: Final answer
    x = 54,360.14

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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.