Home / 99,943.48-149,963.82-47,290.24

Finding the Fourth Proportional to 99,943.48, 149,963.82 and 47,290.24

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Solution

The fourth proportional to 99,943.48, 149,963.82 and 47,290.24 is: 70,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,943.48 : 149,963.82 = 47,290.24 : x
  2. Step 2: Convert to fraction form
    99,943.48/149,963.82 = 47,290.24/x
  3. Step 3: Cross multiply
    99,943.48x = 149,963.82 × 47,290.24
  4. Step 4: Simplify right side
    99,943.48x = 7,091,825,039.12
  5. Step 5: Solve for x
    x = 7,091,825,039.12/99,943.48
  6. Step 6: Final answer
    x = 70,958.36

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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.