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Finding the Fourth Proportional to 73,305.48, 101,162.18 and 39,771.72

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Solution

The fourth proportional to 73,305.48, 101,162.18 and 39,771.72 is: 54,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,305.48 : 101,162.18 = 39,771.72 : x
  2. Step 2: Convert to fraction form
    73,305.48/101,162.18 = 39,771.72/x
  3. Step 3: Cross multiply
    73,305.48x = 101,162.18 × 39,771.72
  4. Step 4: Simplify right side
    73,305.48x = 4,023,393,897.55
  5. Step 5: Solve for x
    x = 4,023,393,897.55/73,305.48
  6. Step 6: Final answer
    x = 54,885.31

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1.5x scale

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.