Home / 99,871.42-149,807.54-24,991.36

Finding the Fourth Proportional to 99,871.42, 149,807.54 and 24,991.36

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Solution

The fourth proportional to 99,871.42, 149,807.54 and 24,991.36 is: 37,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,871.42 : 149,807.54 = 24,991.36 : x
  2. Step 2: Convert to fraction form
    99,871.42/149,807.54 = 24,991.36/x
  3. Step 3: Cross multiply
    99,871.42x = 149,807.54 × 24,991.36
  4. Step 4: Simplify right side
    99,871.42x = 3,743,894,162.85
  5. Step 5: Solve for x
    x = 3,743,894,162.85/99,871.42
  6. Step 6: Final answer
    x = 37,487.14

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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.