Home / 63,287.20-87,394.32-50,803.36

Finding the Fourth Proportional to 63,287.20, 87,394.32 and 50,803.36

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Solution

The fourth proportional to 63,287.20, 87,394.32 and 50,803.36 is: 70,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,287.20 : 87,394.32 = 50,803.36 : x
  2. Step 2: Convert to fraction form
    63,287.20/87,394.32 = 50,803.36/x
  3. Step 3: Cross multiply
    63,287.20x = 87,394.32 × 50,803.36
  4. Step 4: Simplify right side
    63,287.20x = 4,439,925,100.92
  5. Step 5: Solve for x
    x = 4,439,925,100.92/63,287.20
  6. Step 6: Final answer
    x = 70,155.18

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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.