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Finding the Fourth Proportional to 71,794.71, 107,741.28 and 25,047.59

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Solution

The fourth proportional to 71,794.71, 107,741.28 and 25,047.59 is: 37,588.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,794.71 : 107,741.28 = 25,047.59 : x
  2. Step 2: Convert to fraction form
    71,794.71/107,741.28 = 25,047.59/x
  3. Step 3: Cross multiply
    71,794.71x = 107,741.28 × 25,047.59
  4. Step 4: Simplify right side
    71,794.71x = 2,698,658,868.81
  5. Step 5: Solve for x
    x = 2,698,658,868.81/71,794.71
  6. Step 6: Final answer
    x = 37,588.55

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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.