Home / 84,789.85-117,010.44-52,977.20

Finding the Fourth Proportional to 84,789.85, 117,010.44 and 52,977.20

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Solution

The fourth proportional to 84,789.85, 117,010.44 and 52,977.20 is: 73,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,789.85 : 117,010.44 = 52,977.20 : x
  2. Step 2: Convert to fraction form
    84,789.85/117,010.44 = 52,977.20/x
  3. Step 3: Cross multiply
    84,789.85x = 117,010.44 × 52,977.20
  4. Step 4: Simplify right side
    84,789.85x = 6,198,884,896.92
  5. Step 5: Solve for x
    x = 6,198,884,896.92/84,789.85
  6. Step 6: Final answer
    x = 73,108.81

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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.