Home / 53,506.63-80,338.53-52,561.66

Finding the Fourth Proportional to 53,506.63, 80,338.53 and 52,561.66

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Solution

The fourth proportional to 53,506.63, 80,338.53 and 52,561.66 is: 78,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,506.63 : 80,338.53 = 52,561.66 : x
  2. Step 2: Convert to fraction form
    53,506.63/80,338.53 = 52,561.66/x
  3. Step 3: Cross multiply
    53,506.63x = 80,338.53 × 52,561.66
  4. Step 4: Simplify right side
    53,506.63x = 4,222,726,645.65
  5. Step 5: Solve for x
    x = 4,222,726,645.65/53,506.63
  6. Step 6: Final answer
    x = 78,919.70

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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.