Home / 75,831.59-113,507.48-47,654.14

Finding the Fourth Proportional to 75,831.59, 113,507.48 and 47,654.14

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Solution

The fourth proportional to 75,831.59, 113,507.48 and 47,654.14 is: 71,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,831.59 : 113,507.48 = 47,654.14 : x
  2. Step 2: Convert to fraction form
    75,831.59/113,507.48 = 47,654.14/x
  3. Step 3: Cross multiply
    75,831.59x = 113,507.48 × 47,654.14
  4. Step 4: Simplify right side
    75,831.59x = 5,409,101,123.11
  5. Step 5: Solve for x
    x = 5,409,101,123.11/75,831.59
  6. Step 6: Final answer
    x = 71,330.44

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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.