Home / 78,887.14-108,863.82-43,077.16

Finding the Fourth Proportional to 78,887.14, 108,863.82 and 43,077.16

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Solution

The fourth proportional to 78,887.14, 108,863.82 and 43,077.16 is: 59,446.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,887.14 : 108,863.82 = 43,077.16 : x
  2. Step 2: Convert to fraction form
    78,887.14/108,863.82 = 43,077.16/x
  3. Step 3: Cross multiply
    78,887.14x = 108,863.82 × 43,077.16
  4. Step 4: Simplify right side
    78,887.14x = 4,689,544,192.35
  5. Step 5: Solve for x
    x = 4,689,544,192.35/78,887.14
  6. Step 6: Final answer
    x = 59,446.24

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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.