Home / 86,865.89-119,887.47-50,064.95

Finding the Fourth Proportional to 86,865.89, 119,887.47 and 50,064.95

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Solution

The fourth proportional to 86,865.89, 119,887.47 and 50,064.95 is: 69,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,865.89 : 119,887.47 = 50,064.95 : x
  2. Step 2: Convert to fraction form
    86,865.89/119,887.47 = 50,064.95/x
  3. Step 3: Cross multiply
    86,865.89x = 119,887.47 × 50,064.95
  4. Step 4: Simplify right side
    86,865.89x = 6,002,160,490.90
  5. Step 5: Solve for x
    x = 6,002,160,490.90/86,865.89
  6. Step 6: Final answer
    x = 69,096.87

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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.