Home / 87,896.36-121,296.99-47,610

Finding the Fourth Proportional to 87,896.36, 121,296.99 and 47,610

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Solution

The fourth proportional to 87,896.36, 121,296.99 and 47,610 is: 65,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,896.36 : 121,296.99 = 47,610 : x
  2. Step 2: Convert to fraction form
    87,896.36/121,296.99 = 47,610/x
  3. Step 3: Cross multiply
    87,896.36x = 121,296.99 × 47,610
  4. Step 4: Simplify right side
    87,896.36x = 5,774,949,693.90
  5. Step 5: Solve for x
    x = 5,774,949,693.90/87,896.36
  6. Step 6: Final answer
    x = 65,701.81

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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.