Home / 53,125.32-79,672.14-18,057

Finding the Fourth Proportional to 53,125.32, 79,672.14 and 18,057

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Solution

The fourth proportional to 53,125.32, 79,672.14 and 18,057 is: 27,080.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,125.32 : 79,672.14 = 18,057 : x
  2. Step 2: Convert to fraction form
    53,125.32/79,672.14 = 18,057/x
  3. Step 3: Cross multiply
    53,125.32x = 79,672.14 × 18,057
  4. Step 4: Simplify right side
    53,125.32x = 1,438,639,831.98
  5. Step 5: Solve for x
    x = 1,438,639,831.98/53,125.32
  6. Step 6: Final answer
    x = 27,080.12

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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.