Home / 99,474.14-149,100.35-36,242.51

Finding the Fourth Proportional to 99,474.14, 149,100.35 and 36,242.51

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Solution

The fourth proportional to 99,474.14, 149,100.35 and 36,242.51 is: 54,323.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,474.14 : 149,100.35 = 36,242.51 : x
  2. Step 2: Convert to fraction form
    99,474.14/149,100.35 = 36,242.51/x
  3. Step 3: Cross multiply
    99,474.14x = 149,100.35 × 36,242.51
  4. Step 4: Simplify right side
    99,474.14x = 5,403,769,999.16
  5. Step 5: Solve for x
    x = 5,403,769,999.16/99,474.14
  6. Step 6: Final answer
    x = 54,323.36

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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.