Home / 75,558.76-113,282.70-38,100.28

Finding the Fourth Proportional to 75,558.76, 113,282.70 and 38,100.28

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Solution

The fourth proportional to 75,558.76, 113,282.70 and 38,100.28 is: 57,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,558.76 : 113,282.70 = 38,100.28 : x
  2. Step 2: Convert to fraction form
    75,558.76/113,282.70 = 38,100.28/x
  3. Step 3: Cross multiply
    75,558.76x = 113,282.70 × 38,100.28
  4. Step 4: Simplify right side
    75,558.76x = 4,316,102,589.16
  5. Step 5: Solve for x
    x = 4,316,102,589.16/75,558.76
  6. Step 6: Final answer
    x = 57,122.46

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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.