Home / 99,343.26-149,080.55-46,767.78

Finding the Fourth Proportional to 99,343.26, 149,080.55 and 46,767.78

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Solution

The fourth proportional to 99,343.26, 149,080.55 and 46,767.78 is: 70,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,343.26 : 149,080.55 = 46,767.78 : x
  2. Step 2: Convert to fraction form
    99,343.26/149,080.55 = 46,767.78/x
  3. Step 3: Cross multiply
    99,343.26x = 149,080.55 × 46,767.78
  4. Step 4: Simplify right side
    99,343.26x = 6,972,166,130.84
  5. Step 5: Solve for x
    x = 6,972,166,130.84/99,343.26
  6. Step 6: Final answer
    x = 70,182.58

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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.