Home / 109,650.70-151,319.24-64,329.46

Finding the Fourth Proportional to 109,650.70, 151,319.24 and 64,329.46

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Solution

The fourth proportional to 109,650.70, 151,319.24 and 64,329.46 is: 88,775.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,650.70 : 151,319.24 = 64,329.46 : x
  2. Step 2: Convert to fraction form
    109,650.70/151,319.24 = 64,329.46/x
  3. Step 3: Cross multiply
    109,650.70x = 151,319.24 × 64,329.46
  4. Step 4: Simplify right side
    109,650.70x = 9,734,284,996.81
  5. Step 5: Solve for x
    x = 9,734,284,996.81/109,650.70
  6. Step 6: Final answer
    x = 88,775.40

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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.