Home / 64,081.12-95,992.80-31,963.36

Finding the Fourth Proportional to 64,081.12, 95,992.80 and 31,963.36

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Solution

The fourth proportional to 64,081.12, 95,992.80 and 31,963.36 is: 47,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,081.12 : 95,992.80 = 31,963.36 : x
  2. Step 2: Convert to fraction form
    64,081.12/95,992.80 = 31,963.36/x
  3. Step 3: Cross multiply
    64,081.12x = 95,992.80 × 31,963.36
  4. Step 4: Simplify right side
    64,081.12x = 3,068,252,423.81
  5. Step 5: Solve for x
    x = 3,068,252,423.81/64,081.12
  6. Step 6: Final answer
    x = 47,880.76

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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.