Home / 53,672.40-80,508.36-45,700.68

Finding the Fourth Proportional to 53,672.40, 80,508.36 and 45,700.68

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Solution

The fourth proportional to 53,672.40, 80,508.36 and 45,700.68 is: 68,550.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,672.40 : 80,508.36 = 45,700.68 : x
  2. Step 2: Convert to fraction form
    53,672.40/80,508.36 = 45,700.68/x
  3. Step 3: Cross multiply
    53,672.40x = 80,508.36 × 45,700.68
  4. Step 4: Simplify right side
    53,672.40x = 3,679,286,797.68
  5. Step 5: Solve for x
    x = 3,679,286,797.68/53,672.40
  6. Step 6: Final answer
    x = 68,550.82

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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.