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Finding the Fourth Proportional to 78,773.64, 118,094.04 and 34,367.82

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Solution

The fourth proportional to 78,773.64, 118,094.04 and 34,367.82 is: 51,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,773.64 : 118,094.04 = 34,367.82 : x
  2. Step 2: Convert to fraction form
    78,773.64/118,094.04 = 34,367.82/x
  3. Step 3: Cross multiply
    78,773.64x = 118,094.04 × 34,367.82
  4. Step 4: Simplify right side
    78,773.64x = 4,058,634,709.79
  5. Step 5: Solve for x
    x = 4,058,634,709.79/78,773.64
  6. Step 6: Final answer
    x = 51,522.75

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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.