Home / 83,882.31-125,784.58-31,277.67

Finding the Fourth Proportional to 83,882.31, 125,784.58 and 31,277.67

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Solution

The fourth proportional to 83,882.31, 125,784.58 and 31,277.67 is: 46,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,882.31 : 125,784.58 = 31,277.67 : x
  2. Step 2: Convert to fraction form
    83,882.31/125,784.58 = 31,277.67/x
  3. Step 3: Cross multiply
    83,882.31x = 125,784.58 × 31,277.67
  4. Step 4: Simplify right side
    83,882.31x = 3,934,248,584.33
  5. Step 5: Solve for x
    x = 3,934,248,584.33/83,882.31
  6. Step 6: Final answer
    x = 46,902.01

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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.