Home / 99,977.96-149,963.16-25,098.68

Finding the Fourth Proportional to 99,977.96, 149,963.16 and 25,098.68

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Solution

The fourth proportional to 99,977.96, 149,963.16 and 25,098.68 is: 37,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,977.96 : 149,963.16 = 25,098.68 : x
  2. Step 2: Convert to fraction form
    99,977.96/149,963.16 = 25,098.68/x
  3. Step 3: Cross multiply
    99,977.96x = 149,963.16 × 25,098.68
  4. Step 4: Simplify right side
    99,977.96x = 3,763,877,364.63
  5. Step 5: Solve for x
    x = 3,763,877,364.63/99,977.96
  6. Step 6: Final answer
    x = 37,647.07

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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.