Home / 47,005.28-64,867.38-25,784.72

Finding the Fourth Proportional to 47,005.28, 64,867.38 and 25,784.72

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Solution

The fourth proportional to 47,005.28, 64,867.38 and 25,784.72 is: 35,582.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,005.28 : 64,867.38 = 25,784.72 : x
  2. Step 2: Convert to fraction form
    47,005.28/64,867.38 = 25,784.72/x
  3. Step 3: Cross multiply
    47,005.28x = 64,867.38 × 25,784.72
  4. Step 4: Simplify right side
    47,005.28x = 1,672,587,230.43
  5. Step 5: Solve for x
    x = 1,672,587,230.43/47,005.28
  6. Step 6: Final answer
    x = 35,582.96

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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.