Home / 72,237.13-99,687.24-47,086.63

Finding the Fourth Proportional to 72,237.13, 99,687.24 and 47,086.63

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Solution

The fourth proportional to 72,237.13, 99,687.24 and 47,086.63 is: 64,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,237.13 : 99,687.24 = 47,086.63 : x
  2. Step 2: Convert to fraction form
    72,237.13/99,687.24 = 47,086.63/x
  3. Step 3: Cross multiply
    72,237.13x = 99,687.24 × 47,086.63
  4. Step 4: Simplify right side
    72,237.13x = 4,693,935,451.73
  5. Step 5: Solve for x
    x = 4,693,935,451.73/72,237.13
  6. Step 6: Final answer
    x = 64,979.54

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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.