Home / 99,687.36-149,530.70-24,807.50

Finding the Fourth Proportional to 99,687.36, 149,530.70 and 24,807.50

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Solution

The fourth proportional to 99,687.36, 149,530.70 and 24,807.50 is: 37,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,687.36 : 149,530.70 = 24,807.50 : x
  2. Step 2: Convert to fraction form
    99,687.36/149,530.70 = 24,807.50/x
  3. Step 3: Cross multiply
    99,687.36x = 149,530.70 × 24,807.50
  4. Step 4: Simplify right side
    99,687.36x = 3,709,481,968.56
  5. Step 5: Solve for x
    x = 3,709,481,968.56/99,687.36
  6. Step 6: Final answer
    x = 37,211.16

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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.