Home / 99,611.30-149,463.56-49,695.26

Finding the Fourth Proportional to 99,611.30, 149,463.56 and 49,695.26

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Solution

The fourth proportional to 99,611.30, 149,463.56 and 49,695.26 is: 74,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,611.30 : 149,463.56 = 49,695.26 : x
  2. Step 2: Convert to fraction form
    99,611.30/149,463.56 = 49,695.26/x
  3. Step 3: Cross multiply
    99,611.30x = 149,463.56 × 49,695.26
  4. Step 4: Simplify right side
    99,611.30x = 7,427,629,851.65
  5. Step 5: Solve for x
    x = 7,427,629,851.65/99,611.30
  6. Step 6: Final answer
    x = 74,566.14

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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.