Home / 57,972.14-87,353.08-47,672.85

Finding the Fourth Proportional to 57,972.14, 87,353.08 and 47,672.85

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Solution

The fourth proportional to 57,972.14, 87,353.08 and 47,672.85 is: 71,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972.14 : 87,353.08 = 47,672.85 : x
  2. Step 2: Convert to fraction form
    57,972.14/87,353.08 = 47,672.85/x
  3. Step 3: Cross multiply
    57,972.14x = 87,353.08 × 47,672.85
  4. Step 4: Simplify right side
    57,972.14x = 4,164,370,756.43
  5. Step 5: Solve for x
    x = 4,164,370,756.43/57,972.14
  6. Step 6: Final answer
    x = 71,834.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.