Home / 117,984.24-162,812.52-64,268.76

Finding the Fourth Proportional to 117,984.24, 162,812.52 and 64,268.76

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Solution

The fourth proportional to 117,984.24, 162,812.52 and 64,268.76 is: 88,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,984.24 : 162,812.52 = 64,268.76 : x
  2. Step 2: Convert to fraction form
    117,984.24/162,812.52 = 64,268.76/x
  3. Step 3: Cross multiply
    117,984.24x = 162,812.52 × 64,268.76
  4. Step 4: Simplify right side
    117,984.24x = 10,463,758,772.88
  5. Step 5: Solve for x
    x = 10,463,758,772.88/117,984.24
  6. Step 6: Final answer
    x = 88,687.77

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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.