Home / 99,409.46-149,179.81-52,695.14

Finding the Fourth Proportional to 99,409.46, 149,179.81 and 52,695.14

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Solution

The fourth proportional to 99,409.46, 149,179.81 and 52,695.14 is: 79,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,409.46 : 149,179.81 = 52,695.14 : x
  2. Step 2: Convert to fraction form
    99,409.46/149,179.81 = 52,695.14/x
  3. Step 3: Cross multiply
    99,409.46x = 149,179.81 × 52,695.14
  4. Step 4: Simplify right side
    99,409.46x = 7,861,051,230.69
  5. Step 5: Solve for x
    x = 7,861,051,230.69/99,409.46
  6. Step 6: Final answer
    x = 79,077.49

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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.