Home / 75,795.60-113,644.78-31,452.96

Finding the Fourth Proportional to 75,795.60, 113,644.78 and 31,452.96

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Solution

The fourth proportional to 75,795.60, 113,644.78 and 31,452.96 is: 47,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,795.60 : 113,644.78 = 31,452.96 : x
  2. Step 2: Convert to fraction form
    75,795.60/113,644.78 = 31,452.96/x
  3. Step 3: Cross multiply
    75,795.60x = 113,644.78 × 31,452.96
  4. Step 4: Simplify right side
    75,795.60x = 3,574,464,719.55
  5. Step 5: Solve for x
    x = 3,574,464,719.55/75,795.60
  6. Step 6: Final answer
    x = 47,159.26

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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.