Home / 53,247.65-79,865.24-13,801.64

Finding the Fourth Proportional to 53,247.65, 79,865.24 and 13,801.64

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Solution

The fourth proportional to 53,247.65, 79,865.24 and 13,801.64 is: 20,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,247.65 : 79,865.24 = 13,801.64 : x
  2. Step 2: Convert to fraction form
    53,247.65/79,865.24 = 13,801.64/x
  3. Step 3: Cross multiply
    53,247.65x = 79,865.24 × 13,801.64
  4. Step 4: Simplify right side
    53,247.65x = 1,102,270,822.66
  5. Step 5: Solve for x
    x = 1,102,270,822.66/53,247.65
  6. Step 6: Final answer
    x = 20,700.84

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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.