Home / 75,639.11-113,496.93-31,297.68

Finding the Fourth Proportional to 75,639.11, 113,496.93 and 31,297.68

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Solution

The fourth proportional to 75,639.11, 113,496.93 and 31,297.68 is: 46,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,639.11 : 113,496.93 = 31,297.68 : x
  2. Step 2: Convert to fraction form
    75,639.11/113,496.93 = 31,297.68/x
  3. Step 3: Cross multiply
    75,639.11x = 113,496.93 × 31,297.68
  4. Step 4: Simplify right side
    75,639.11x = 3,552,190,596.12
  5. Step 5: Solve for x
    x = 3,552,190,596.12/75,639.11
  6. Step 6: Final answer
    x = 46,962.36

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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.