Home / 64,509.28-96,556.56-43,617.76

Finding the Fourth Proportional to 64,509.28, 96,556.56 and 43,617.76

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Solution

The fourth proportional to 64,509.28, 96,556.56 and 43,617.76 is: 65,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,509.28 : 96,556.56 = 43,617.76 : x
  2. Step 2: Convert to fraction form
    64,509.28/96,556.56 = 43,617.76/x
  3. Step 3: Cross multiply
    64,509.28x = 96,556.56 × 43,617.76
  4. Step 4: Simplify right side
    64,509.28x = 4,211,580,860.51
  5. Step 5: Solve for x
    x = 4,211,580,860.51/64,509.28
  6. Step 6: Final answer
    x = 65,286.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.