Home / 71,788.44-99,155.10-52,640.58

Finding the Fourth Proportional to 71,788.44, 99,155.10 and 52,640.58

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Solution

The fourth proportional to 71,788.44, 99,155.10 and 52,640.58 is: 72,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,788.44 : 99,155.10 = 52,640.58 : x
  2. Step 2: Convert to fraction form
    71,788.44/99,155.10 = 52,640.58/x
  3. Step 3: Cross multiply
    71,788.44x = 99,155.10 × 52,640.58
  4. Step 4: Simplify right side
    71,788.44x = 5,219,581,973.96
  5. Step 5: Solve for x
    x = 5,219,581,973.96/71,788.44
  6. Step 6: Final answer
    x = 72,707.83

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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.