Home / 69,981.20-104,835.72-62,503.28

Finding the Fourth Proportional to 69,981.20, 104,835.72 and 62,503.28

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Solution

The fourth proportional to 69,981.20, 104,835.72 and 62,503.28 is: 93,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.20 : 104,835.72 = 62,503.28 : x
  2. Step 2: Convert to fraction form
    69,981.20/104,835.72 = 62,503.28/x
  3. Step 3: Cross multiply
    69,981.20x = 104,835.72 × 62,503.28
  4. Step 4: Simplify right side
    69,981.20x = 6,552,576,361.16
  5. Step 5: Solve for x
    x = 6,552,576,361.16/69,981.20
  6. Step 6: Final answer
    x = 93,633.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.