Home / 85,514.82-118,010.63-47,789.07

Finding the Fourth Proportional to 85,514.82, 118,010.63 and 47,789.07

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Solution

The fourth proportional to 85,514.82, 118,010.63 and 47,789.07 is: 65,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,514.82 : 118,010.63 = 47,789.07 : x
  2. Step 2: Convert to fraction form
    85,514.82/118,010.63 = 47,789.07/x
  3. Step 3: Cross multiply
    85,514.82x = 118,010.63 × 47,789.07
  4. Step 4: Simplify right side
    85,514.82x = 5,639,618,018.87
  5. Step 5: Solve for x
    x = 5,639,618,018.87/85,514.82
  6. Step 6: Final answer
    x = 65,949.01

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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.