Home / 53,811.12-80,724.24-14,369.52

Finding the Fourth Proportional to 53,811.12, 80,724.24 and 14,369.52

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Solution

The fourth proportional to 53,811.12, 80,724.24 and 14,369.52 is: 21,556.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,811.12 : 80,724.24 = 14,369.52 : x
  2. Step 2: Convert to fraction form
    53,811.12/80,724.24 = 14,369.52/x
  3. Step 3: Cross multiply
    53,811.12x = 80,724.24 × 14,369.52
  4. Step 4: Simplify right side
    53,811.12x = 1,159,968,581.16
  5. Step 5: Solve for x
    x = 1,159,968,581.16/53,811.12
  6. Step 6: Final answer
    x = 21,556.30

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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.