Home / 87,896.70-121,295.91-47,610.18

Finding the Fourth Proportional to 87,896.70, 121,295.91 and 47,610.18

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Solution

The fourth proportional to 87,896.70, 121,295.91 and 47,610.18 is: 65,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,896.70 : 121,295.91 = 47,610.18 : x
  2. Step 2: Convert to fraction form
    87,896.70/121,295.91 = 47,610.18/x
  3. Step 3: Cross multiply
    87,896.70x = 121,295.91 × 47,610.18
  4. Step 4: Simplify right side
    87,896.70x = 5,774,920,108.36
  5. Step 5: Solve for x
    x = 5,774,920,108.36/87,896.70
  6. Step 6: Final answer
    x = 65,701.22

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1.5x scale

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.