Home / 99,385.72-149,110.74-29,265.40

Finding the Fourth Proportional to 99,385.72, 149,110.74 and 29,265.40

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Solution

The fourth proportional to 99,385.72, 149,110.74 and 29,265.40 is: 43,907.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,385.72 : 149,110.74 = 29,265.40 : x
  2. Step 2: Convert to fraction form
    99,385.72/149,110.74 = 29,265.40/x
  3. Step 3: Cross multiply
    99,385.72x = 149,110.74 × 29,265.40
  4. Step 4: Simplify right side
    99,385.72x = 4,363,785,450.40
  5. Step 5: Solve for x
    x = 4,363,785,450.40/99,385.72
  6. Step 6: Final answer
    x = 43,907.57

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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.