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Finding the Fourth Proportional to 79,793.63, 110,114.53 and 45,807.65

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Solution

The fourth proportional to 79,793.63, 110,114.53 and 45,807.65 is: 63,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.63 : 110,114.53 = 45,807.65 : x
  2. Step 2: Convert to fraction form
    79,793.63/110,114.53 = 45,807.65/x
  3. Step 3: Cross multiply
    79,793.63x = 110,114.53 × 45,807.65
  4. Step 4: Simplify right side
    79,793.63x = 5,044,087,850.15
  5. Step 5: Solve for x
    x = 5,044,087,850.15/79,793.63
  6. Step 6: Final answer
    x = 63,214.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.