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Finding the Fourth Proportional to 52,975.66, 73,102.80 and 29,103.34

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Solution

The fourth proportional to 52,975.66, 73,102.80 and 29,103.34 is: 40,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,975.66 : 73,102.80 = 29,103.34 : x
  2. Step 2: Convert to fraction form
    52,975.66/73,102.80 = 29,103.34/x
  3. Step 3: Cross multiply
    52,975.66x = 73,102.80 × 29,103.34
  4. Step 4: Simplify right side
    52,975.66x = 2,127,535,643.35
  5. Step 5: Solve for x
    x = 2,127,535,643.35/52,975.66
  6. Step 6: Final answer
    x = 40,160.63

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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.