Home / 64,212.20-88,626.66-39,069.80

Finding the Fourth Proportional to 64,212.20, 88,626.66 and 39,069.80

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Solution

The fourth proportional to 64,212.20, 88,626.66 and 39,069.80 is: 53,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,212.20 : 88,626.66 = 39,069.80 : x
  2. Step 2: Convert to fraction form
    64,212.20/88,626.66 = 39,069.80/x
  3. Step 3: Cross multiply
    64,212.20x = 88,626.66 × 39,069.80
  4. Step 4: Simplify right side
    64,212.20x = 3,462,625,880.87
  5. Step 5: Solve for x
    x = 3,462,625,880.87/64,212.20
  6. Step 6: Final answer
    x = 53,924.74

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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.