Home / 71,972.95-99,290.55-41,740.75

Finding the Fourth Proportional to 71,972.95, 99,290.55 and 41,740.75

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Solution

The fourth proportional to 71,972.95, 99,290.55 and 41,740.75 is: 57,583.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,972.95 : 99,290.55 = 41,740.75 : x
  2. Step 2: Convert to fraction form
    71,972.95/99,290.55 = 41,740.75/x
  3. Step 3: Cross multiply
    71,972.95x = 99,290.55 × 41,740.75
  4. Step 4: Simplify right side
    71,972.95x = 4,144,462,024.91
  5. Step 5: Solve for x
    x = 4,144,462,024.91/71,972.95
  6. Step 6: Final answer
    x = 57,583.61

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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.