Home / 71,972.85-99,271.12-62,395.62

Finding the Fourth Proportional to 71,972.85, 99,271.12 and 62,395.62

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Solution

The fourth proportional to 71,972.85, 99,271.12 and 62,395.62 is: 86,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,972.85 : 99,271.12 = 62,395.62 : x
  2. Step 2: Convert to fraction form
    71,972.85/99,271.12 = 62,395.62/x
  3. Step 3: Cross multiply
    71,972.85x = 99,271.12 × 62,395.62
  4. Step 4: Simplify right side
    71,972.85x = 6,194,082,669.23
  5. Step 5: Solve for x
    x = 6,194,082,669.23/71,972.85
  6. Step 6: Final answer
    x = 86,061.37

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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.