Home / 64,167.28-96,261.86-19,785.76

Finding the Fourth Proportional to 64,167.28, 96,261.86 and 19,785.76

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Solution

The fourth proportional to 64,167.28, 96,261.86 and 19,785.76 is: 29,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167.28 : 96,261.86 = 19,785.76 : x
  2. Step 2: Convert to fraction form
    64,167.28/96,261.86 = 19,785.76/x
  3. Step 3: Cross multiply
    64,167.28x = 96,261.86 × 19,785.76
  4. Step 4: Simplify right side
    64,167.28x = 1,904,613,867.92
  5. Step 5: Solve for x
    x = 1,904,613,867.92/64,167.28
  6. Step 6: Final answer
    x = 29,682.01

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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.