Home / 117,639.21-162,343.01-63,924.52

Finding the Fourth Proportional to 117,639.21, 162,343.01 and 63,924.52

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Solution

The fourth proportional to 117,639.21, 162,343.01 and 63,924.52 is: 88,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,639.21 : 162,343.01 = 63,924.52 : x
  2. Step 2: Convert to fraction form
    117,639.21/162,343.01 = 63,924.52/x
  3. Step 3: Cross multiply
    117,639.21x = 162,343.01 × 63,924.52
  4. Step 4: Simplify right side
    117,639.21x = 10,377,697,858.27
  5. Step 5: Solve for x
    x = 10,377,697,858.27/117,639.21
  6. Step 6: Final answer
    x = 88,216.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.