Home / 99,637.45-149,352.36-43,462.47

Finding the Fourth Proportional to 99,637.45, 149,352.36 and 43,462.47

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Solution

The fourth proportional to 99,637.45, 149,352.36 and 43,462.47 is: 65,148.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,637.45 : 149,352.36 = 43,462.47 : x
  2. Step 2: Convert to fraction form
    99,637.45/149,352.36 = 43,462.47/x
  3. Step 3: Cross multiply
    99,637.45x = 149,352.36 × 43,462.47
  4. Step 4: Simplify right side
    99,637.45x = 6,491,222,465.93
  5. Step 5: Solve for x
    x = 6,491,222,465.93/99,637.45
  6. Step 6: Final answer
    x = 65,148.42

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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.