Home / 75,842.40-113,671.32-53,662.16

Finding the Fourth Proportional to 75,842.40, 113,671.32 and 53,662.16

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Solution

The fourth proportional to 75,842.40, 113,671.32 and 53,662.16 is: 80,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,842.40 : 113,671.32 = 53,662.16 : x
  2. Step 2: Convert to fraction form
    75,842.40/113,671.32 = 53,662.16/x
  3. Step 3: Cross multiply
    75,842.40x = 113,671.32 × 53,662.16
  4. Step 4: Simplify right side
    75,842.40x = 6,099,848,561.25
  5. Step 5: Solve for x
    x = 6,099,848,561.25/75,842.40
  6. Step 6: Final answer
    x = 80,427.95

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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.