Home / 91,968.63-137,951.58-25,407.29

Finding the Fourth Proportional to 91,968.63, 137,951.58 and 25,407.29

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Solution

The fourth proportional to 91,968.63, 137,951.58 and 25,407.29 is: 38,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,968.63 : 137,951.58 = 25,407.29 : x
  2. Step 2: Convert to fraction form
    91,968.63/137,951.58 = 25,407.29/x
  3. Step 3: Cross multiply
    91,968.63x = 137,951.58 × 25,407.29
  4. Step 4: Simplify right side
    91,968.63x = 3,504,975,454.14
  5. Step 5: Solve for x
    x = 3,504,975,454.14/91,968.63
  6. Step 6: Final answer
    x = 38,110.55

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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.