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Finding the Fourth Proportional to 52,867.86, 79,148.16 and 41,145.54

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Solution

The fourth proportional to 52,867.86, 79,148.16 and 41,145.54 is: 61,598.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,867.86 : 79,148.16 = 41,145.54 : x
  2. Step 2: Convert to fraction form
    52,867.86/79,148.16 = 41,145.54/x
  3. Step 3: Cross multiply
    52,867.86x = 79,148.16 × 41,145.54
  4. Step 4: Simplify right side
    52,867.86x = 3,256,593,783.21
  5. Step 5: Solve for x
    x = 3,256,593,783.21/52,867.86
  6. Step 6: Final answer
    x = 61,598.74

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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.