Home / 99,063.53-148,463.89-53,969.21

Finding the Fourth Proportional to 99,063.53, 148,463.89 and 53,969.21

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Solution

The fourth proportional to 99,063.53, 148,463.89 and 53,969.21 is: 80,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,063.53 : 148,463.89 = 53,969.21 : x
  2. Step 2: Convert to fraction form
    99,063.53/148,463.89 = 53,969.21/x
  3. Step 3: Cross multiply
    99,063.53x = 148,463.89 × 53,969.21
  4. Step 4: Simplify right side
    99,063.53x = 8,012,478,953.88
  5. Step 5: Solve for x
    x = 8,012,478,953.88/99,063.53
  6. Step 6: Final answer
    x = 80,882.23

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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.