Home / 109,650.96-151,319.58-64,329.75

Finding the Fourth Proportional to 109,650.96, 151,319.58 and 64,329.75

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Solution

The fourth proportional to 109,650.96, 151,319.58 and 64,329.75 is: 88,775.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,650.96 : 151,319.58 = 64,329.75 : x
  2. Step 2: Convert to fraction form
    109,650.96/151,319.58 = 64,329.75/x
  3. Step 3: Cross multiply
    109,650.96x = 151,319.58 × 64,329.75
  4. Step 4: Simplify right side
    109,650.96x = 9,734,350,751.51
  5. Step 5: Solve for x
    x = 9,734,350,751.51/109,650.96
  6. Step 6: Final answer
    x = 88,775.79

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1.5x scale

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.