Home / 94,887.75-130,942.81-51,865.31

Finding the Fourth Proportional to 94,887.75, 130,942.81 and 51,865.31

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Solution

The fourth proportional to 94,887.75, 130,942.81 and 51,865.31 is: 71,572.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,887.75 : 130,942.81 = 51,865.31 : x
  2. Step 2: Convert to fraction form
    94,887.75/130,942.81 = 51,865.31/x
  3. Step 3: Cross multiply
    94,887.75x = 130,942.81 × 51,865.31
  4. Step 4: Simplify right side
    94,887.75x = 6,791,389,432.92
  5. Step 5: Solve for x
    x = 6,791,389,432.92/94,887.75
  6. Step 6: Final answer
    x = 71,572.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.