Home / 99,468.36-149,247.68-91,059.30

Finding the Fourth Proportional to 99,468.36, 149,247.68 and 91,059.30

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Solution

The fourth proportional to 99,468.36, 149,247.68 and 91,059.30 is: 136,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,468.36 : 149,247.68 = 91,059.30 : x
  2. Step 2: Convert to fraction form
    99,468.36/149,247.68 = 91,059.30/x
  3. Step 3: Cross multiply
    99,468.36x = 149,247.68 × 91,059.30
  4. Step 4: Simplify right side
    99,468.36x = 13,590,388,812.13
  5. Step 5: Solve for x
    x = 13,590,388,812.13/99,468.36
  6. Step 6: Final answer
    x = 136,630.27

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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.