Home / 86,027.43-118,714.01-47,789.63

Finding the Fourth Proportional to 86,027.43, 118,714.01 and 47,789.63

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Solution

The fourth proportional to 86,027.43, 118,714.01 and 47,789.63 is: 65,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,027.43 : 118,714.01 = 47,789.63 : x
  2. Step 2: Convert to fraction form
    86,027.43/118,714.01 = 47,789.63/x
  3. Step 3: Cross multiply
    86,027.43x = 118,714.01 × 47,789.63
  4. Step 4: Simplify right side
    86,027.43x = 5,673,298,727.20
  5. Step 5: Solve for x
    x = 5,673,298,727.20/86,027.43
  6. Step 6: Final answer
    x = 65,947.56

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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.