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Finding the Fourth Proportional to 79,301, 109,445.10 and 45,767

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Solution

The fourth proportional to 79,301, 109,445.10 and 45,767 is: 63,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,301 : 109,445.10 = 45,767 : x
  2. Step 2: Convert to fraction form
    79,301/109,445.10 = 45,767/x
  3. Step 3: Cross multiply
    79,301x = 109,445.10 × 45,767
  4. Step 4: Simplify right side
    79,301x = 5,008,973,891.70
  5. Step 5: Solve for x
    x = 5,008,973,891.70/79,301
  6. Step 6: Final answer
    x = 63,164.07

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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.