Home / 75,938.30-113,919.59-38,483.19

Finding the Fourth Proportional to 75,938.30, 113,919.59 and 38,483.19

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Solution

The fourth proportional to 75,938.30, 113,919.59 and 38,483.19 is: 57,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,938.30 : 113,919.59 = 38,483.19 : x
  2. Step 2: Convert to fraction form
    75,938.30/113,919.59 = 38,483.19/x
  3. Step 3: Cross multiply
    75,938.30x = 113,919.59 × 38,483.19
  4. Step 4: Simplify right side
    75,938.30x = 4,383,989,034.28
  5. Step 5: Solve for x
    x = 4,383,989,034.28/75,938.30
  6. Step 6: Final answer
    x = 57,730.94

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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.