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Finding the Fourth Proportional to 71,735.22, 107,500.77 and 52,867.08

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Solution

The fourth proportional to 71,735.22, 107,500.77 and 52,867.08 is: 79,225.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,735.22 : 107,500.77 = 52,867.08 : x
  2. Step 2: Convert to fraction form
    71,735.22/107,500.77 = 52,867.08/x
  3. Step 3: Cross multiply
    71,735.22x = 107,500.77 × 52,867.08
  4. Step 4: Simplify right side
    71,735.22x = 5,683,251,807.65
  5. Step 5: Solve for x
    x = 5,683,251,807.65/71,735.22
  6. Step 6: Final answer
    x = 79,225.40

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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.