Home / 63,979.18-95,947.36-21,274.77

Finding the Fourth Proportional to 63,979.18, 95,947.36 and 21,274.77

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Solution

The fourth proportional to 63,979.18, 95,947.36 and 21,274.77 is: 31,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.18 : 95,947.36 = 21,274.77 : x
  2. Step 2: Convert to fraction form
    63,979.18/95,947.36 = 21,274.77/x
  3. Step 3: Cross multiply
    63,979.18x = 95,947.36 × 21,274.77
  4. Step 4: Simplify right side
    63,979.18x = 2,041,258,016.11
  5. Step 5: Solve for x
    x = 2,041,258,016.11/63,979.18
  6. Step 6: Final answer
    x = 31,905.04

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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.