Home / 71,970.20-99,323.74-41,755.53

Finding the Fourth Proportional to 71,970.20, 99,323.74 and 41,755.53

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Solution

The fourth proportional to 71,970.20, 99,323.74 and 41,755.53 is: 57,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,970.20 : 99,323.74 = 41,755.53 : x
  2. Step 2: Convert to fraction form
    71,970.20/99,323.74 = 41,755.53/x
  3. Step 3: Cross multiply
    71,970.20x = 99,323.74 × 41,755.53
  4. Step 4: Simplify right side
    71,970.20x = 4,147,315,829.94
  5. Step 5: Solve for x
    x = 4,147,315,829.94/71,970.20
  6. Step 6: Final answer
    x = 57,625.46

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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.