Home / 67,428.07-101,158.35-25,308.57

Finding the Fourth Proportional to 67,428.07, 101,158.35 and 25,308.57

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Solution

The fourth proportional to 67,428.07, 101,158.35 and 25,308.57 is: 37,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428.07 : 101,158.35 = 25,308.57 : x
  2. Step 2: Convert to fraction form
    67,428.07/101,158.35 = 25,308.57/x
  3. Step 3: Cross multiply
    67,428.07x = 101,158.35 × 25,308.57
  4. Step 4: Simplify right side
    67,428.07x = 2,560,173,055.52
  5. Step 5: Solve for x
    x = 2,560,173,055.52/67,428.07
  6. Step 6: Final answer
    x = 37,968.95

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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.