Home / 75,856.37-113,854.41-38,442.60

Finding the Fourth Proportional to 75,856.37, 113,854.41 and 38,442.60

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Solution

The fourth proportional to 75,856.37, 113,854.41 and 38,442.60 is: 57,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,856.37 : 113,854.41 = 38,442.60 : x
  2. Step 2: Convert to fraction form
    75,856.37/113,854.41 = 38,442.60/x
  3. Step 3: Cross multiply
    75,856.37x = 113,854.41 × 38,442.60
  4. Step 4: Simplify right side
    75,856.37x = 4,376,859,541.87
  5. Step 5: Solve for x
    x = 4,376,859,541.87/75,856.37
  6. Step 6: Final answer
    x = 57,699.31

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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.