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Finding the Fourth Proportional to 73,111.52, 100,895.84 and 44,421.44

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Solution

The fourth proportional to 73,111.52, 100,895.84 and 44,421.44 is: 61,302.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,111.52 : 100,895.84 = 44,421.44 : x
  2. Step 2: Convert to fraction form
    73,111.52/100,895.84 = 44,421.44/x
  3. Step 3: Cross multiply
    73,111.52x = 100,895.84 × 44,421.44
  4. Step 4: Simplify right side
    73,111.52x = 4,481,938,502.81
  5. Step 5: Solve for x
    x = 4,481,938,502.81/73,111.52
  6. Step 6: Final answer
    x = 61,302.77

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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.