Home / 66,860.16-100,277.24-25,310.40

Finding the Fourth Proportional to 66,860.16, 100,277.24 and 25,310.40

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Solution

The fourth proportional to 66,860.16, 100,277.24 and 25,310.40 is: 37,960.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,860.16 : 100,277.24 = 25,310.40 : x
  2. Step 2: Convert to fraction form
    66,860.16/100,277.24 = 25,310.40/x
  3. Step 3: Cross multiply
    66,860.16x = 100,277.24 × 25,310.40
  4. Step 4: Simplify right side
    66,860.16x = 2,538,057,055.30
  5. Step 5: Solve for x
    x = 2,538,057,055.30/66,860.16
  6. Step 6: Final answer
    x = 37,960.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.