Home / 63,243.64-87,272.78-34,947.50

Finding the Fourth Proportional to 63,243.64, 87,272.78 and 34,947.50

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Solution

The fourth proportional to 63,243.64, 87,272.78 and 34,947.50 is: 48,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,243.64 : 87,272.78 = 34,947.50 : x
  2. Step 2: Convert to fraction form
    63,243.64/87,272.78 = 34,947.50/x
  3. Step 3: Cross multiply
    63,243.64x = 87,272.78 × 34,947.50
  4. Step 4: Simplify right side
    63,243.64x = 3,049,965,479.05
  5. Step 5: Solve for x
    x = 3,049,965,479.05/63,243.64
  6. Step 6: Final answer
    x = 48,225.65

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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.