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Finding the Fourth Proportional to 79,082.44, 118,492.40 and 55,659.64

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Solution

The fourth proportional to 79,082.44, 118,492.40 and 55,659.64 is: 83,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,082.44 : 118,492.40 = 55,659.64 : x
  2. Step 2: Convert to fraction form
    79,082.44/118,492.40 = 55,659.64/x
  3. Step 3: Cross multiply
    79,082.44x = 118,492.40 × 55,659.64
  4. Step 4: Simplify right side
    79,082.44x = 6,595,244,326.74
  5. Step 5: Solve for x
    x = 6,595,244,326.74/79,082.44
  6. Step 6: Final answer
    x = 83,397.08

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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.