Home / 57,972.98-87,354.36-47,673.70

Finding the Fourth Proportional to 57,972.98, 87,354.36 and 47,673.70

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Solution

The fourth proportional to 57,972.98, 87,354.36 and 47,673.70 is: 71,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,972.98 : 87,354.36 = 47,673.70 : x
  2. Step 2: Convert to fraction form
    57,972.98/87,354.36 = 47,673.70/x
  3. Step 3: Cross multiply
    57,972.98x = 87,354.36 × 47,673.70
  4. Step 4: Simplify right side
    57,972.98x = 4,164,505,199.86
  5. Step 5: Solve for x
    x = 4,164,505,199.86/57,972.98
  6. Step 6: Final answer
    x = 71,835.28

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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.