Home / 109,704.15-151,383.87-64,383.98

Finding the Fourth Proportional to 109,704.15, 151,383.87 and 64,383.98

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Solution

The fourth proportional to 109,704.15, 151,383.87 and 64,383.98 is: 88,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,704.15 : 151,383.87 = 64,383.98 : x
  2. Step 2: Convert to fraction form
    109,704.15/151,383.87 = 64,383.98/x
  3. Step 3: Cross multiply
    109,704.15x = 151,383.87 × 64,383.98
  4. Step 4: Simplify right side
    109,704.15x = 9,746,695,301.48
  5. Step 5: Solve for x
    x = 9,746,695,301.48/109,704.15
  6. Step 6: Final answer
    x = 88,845.27

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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.