Home / 86,970.24-130,414.07-33,687.16

Finding the Fourth Proportional to 86,970.24, 130,414.07 and 33,687.16

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Solution

The fourth proportional to 86,970.24, 130,414.07 and 33,687.16 is: 50,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,970.24 : 130,414.07 = 33,687.16 : x
  2. Step 2: Convert to fraction form
    86,970.24/130,414.07 = 33,687.16/x
  3. Step 3: Cross multiply
    86,970.24x = 130,414.07 × 33,687.16
  4. Step 4: Simplify right side
    86,970.24x = 4,393,279,400.52
  5. Step 5: Solve for x
    x = 4,393,279,400.52/86,970.24
  6. Step 6: Final answer
    x = 50,514.74

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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.