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Finding the Fourth Proportional to 88,846.76, 133,204.14 and 53,778.20

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Solution

The fourth proportional to 88,846.76, 133,204.14 and 53,778.20 is: 80,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,846.76 : 133,204.14 = 53,778.20 : x
  2. Step 2: Convert to fraction form
    88,846.76/133,204.14 = 53,778.20/x
  3. Step 3: Cross multiply
    88,846.76x = 133,204.14 × 53,778.20
  4. Step 4: Simplify right side
    88,846.76x = 7,163,478,881.75
  5. Step 5: Solve for x
    x = 7,163,478,881.75/88,846.76
  6. Step 6: Final answer
    x = 80,627.35

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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.