Home / 47,853.18-71,780.07-16,688.46

Finding the Fourth Proportional to 47,853.18, 71,780.07 and 16,688.46

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Solution

The fourth proportional to 47,853.18, 71,780.07 and 16,688.46 is: 25,032.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,853.18 : 71,780.07 = 16,688.46 : x
  2. Step 2: Convert to fraction form
    47,853.18/71,780.07 = 16,688.46/x
  3. Step 3: Cross multiply
    47,853.18x = 71,780.07 × 16,688.46
  4. Step 4: Simplify right side
    47,853.18x = 1,197,898,826.99
  5. Step 5: Solve for x
    x = 1,197,898,826.99/47,853.18
  6. Step 6: Final answer
    x = 25,032.79

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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.