Home / 56,578.88-84,756.23-38,765.76

Finding the Fourth Proportional to 56,578.88, 84,756.23 and 38,765.76

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Solution

The fourth proportional to 56,578.88, 84,756.23 and 38,765.76 is: 58,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,578.88 : 84,756.23 = 38,765.76 : x
  2. Step 2: Convert to fraction form
    56,578.88/84,756.23 = 38,765.76/x
  3. Step 3: Cross multiply
    56,578.88x = 84,756.23 × 38,765.76
  4. Step 4: Simplify right side
    56,578.88x = 3,285,639,839.93
  5. Step 5: Solve for x
    x = 3,285,639,839.93/56,578.88
  6. Step 6: Final answer
    x = 58,071.85

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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.