Home / 99,725.65-149,590.53-33,166.40

Finding the Fourth Proportional to 99,725.65, 149,590.53 and 33,166.40

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Solution

The fourth proportional to 99,725.65, 149,590.53 and 33,166.40 is: 49,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,725.65 : 149,590.53 = 33,166.40 : x
  2. Step 2: Convert to fraction form
    99,725.65/149,590.53 = 33,166.40/x
  3. Step 3: Cross multiply
    99,725.65x = 149,590.53 × 33,166.40
  4. Step 4: Simplify right side
    99,725.65x = 4,961,378,606.24
  5. Step 5: Solve for x
    x = 4,961,378,606.24/99,725.65
  6. Step 6: Final answer
    x = 49,750.28

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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.