Home / 75,938.64-113,917.08-31,595.40

Finding the Fourth Proportional to 75,938.64, 113,917.08 and 31,595.40

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Solution

The fourth proportional to 75,938.64, 113,917.08 and 31,595.40 is: 47,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,938.64 : 113,917.08 = 31,595.40 : x
  2. Step 2: Convert to fraction form
    75,938.64/113,917.08 = 31,595.40/x
  3. Step 3: Cross multiply
    75,938.64x = 113,917.08 × 31,595.40
  4. Step 4: Simplify right side
    75,938.64x = 3,599,255,709.43
  5. Step 5: Solve for x
    x = 3,599,255,709.43/75,938.64
  6. Step 6: Final answer
    x = 47,396.89

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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.