Home / 63,752.23-87,917.70-40,789.32

Finding the Fourth Proportional to 63,752.23, 87,917.70 and 40,789.32

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Solution

The fourth proportional to 63,752.23, 87,917.70 and 40,789.32 is: 56,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,752.23 : 87,917.70 = 40,789.32 : x
  2. Step 2: Convert to fraction form
    63,752.23/87,917.70 = 40,789.32/x
  3. Step 3: Cross multiply
    63,752.23x = 87,917.70 × 40,789.32
  4. Step 4: Simplify right side
    63,752.23x = 3,586,102,995.02
  5. Step 5: Solve for x
    x = 3,586,102,995.02/63,752.23
  6. Step 6: Final answer
    x = 56,250.63

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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.