Home / 56,887.74-85,262.31-40,252.50

Finding the Fourth Proportional to 56,887.74, 85,262.31 and 40,252.50

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Solution

The fourth proportional to 56,887.74, 85,262.31 and 40,252.50 is: 60,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,887.74 : 85,262.31 = 40,252.50 : x
  2. Step 2: Convert to fraction form
    56,887.74/85,262.31 = 40,252.50/x
  3. Step 3: Cross multiply
    56,887.74x = 85,262.31 × 40,252.50
  4. Step 4: Simplify right side
    56,887.74x = 3,432,021,133.28
  5. Step 5: Solve for x
    x = 3,432,021,133.28/56,887.74
  6. Step 6: Final answer
    x = 60,329.71

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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.