Home / 99,977.92-149,967.06-29,851.72

Finding the Fourth Proportional to 99,977.92, 149,967.06 and 29,851.72

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Solution

The fourth proportional to 99,977.92, 149,967.06 and 29,851.72 is: 44,777.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,977.92 : 149,967.06 = 29,851.72 : x
  2. Step 2: Convert to fraction form
    99,977.92/149,967.06 = 29,851.72/x
  3. Step 3: Cross multiply
    99,977.92x = 149,967.06 × 29,851.72
  4. Step 4: Simplify right side
    99,977.92x = 4,476,774,684.34
  5. Step 5: Solve for x
    x = 4,476,774,684.34/99,977.92
  6. Step 6: Final answer
    x = 44,777.63

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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.