Home / 53,113.76-79,672.55-18,048.86

Finding the Fourth Proportional to 53,113.76, 79,672.55 and 18,048.86

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Solution

The fourth proportional to 53,113.76, 79,672.55 and 18,048.86 is: 27,073.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,113.76 : 79,672.55 = 18,048.86 : x
  2. Step 2: Convert to fraction form
    53,113.76/79,672.55 = 18,048.86/x
  3. Step 3: Cross multiply
    53,113.76x = 79,672.55 × 18,048.86
  4. Step 4: Simplify right side
    53,113.76x = 1,437,998,610.55
  5. Step 5: Solve for x
    x = 1,437,998,610.55/53,113.76
  6. Step 6: Final answer
    x = 27,073.94

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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.