Home / 77,813.91-116,729.37-27,887.13

Finding the Fourth Proportional to 77,813.91, 116,729.37 and 27,887.13

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Solution

The fourth proportional to 77,813.91, 116,729.37 and 27,887.13 is: 41,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,813.91 : 116,729.37 = 27,887.13 : x
  2. Step 2: Convert to fraction form
    77,813.91/116,729.37 = 27,887.13/x
  3. Step 3: Cross multiply
    77,813.91x = 116,729.37 × 27,887.13
  4. Step 4: Simplify right side
    77,813.91x = 3,255,247,116.01
  5. Step 5: Solve for x
    x = 3,255,247,116.01/77,813.91
  6. Step 6: Final answer
    x = 41,833.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.