Home / 64,418.25-88,859.99-40,177.14

Finding the Fourth Proportional to 64,418.25, 88,859.99 and 40,177.14

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Solution

The fourth proportional to 64,418.25, 88,859.99 and 40,177.14 is: 55,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.25 : 88,859.99 = 40,177.14 : x
  2. Step 2: Convert to fraction form
    64,418.25/88,859.99 = 40,177.14/x
  3. Step 3: Cross multiply
    64,418.25x = 88,859.99 × 40,177.14
  4. Step 4: Simplify right side
    64,418.25x = 3,570,140,258.63
  5. Step 5: Solve for x
    x = 3,570,140,258.63/64,418.25
  6. Step 6: Final answer
    x = 55,421.25

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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.