Home / 86,984.92-120,037.16-51,177.24

Finding the Fourth Proportional to 86,984.92, 120,037.16 and 51,177.24

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Solution

The fourth proportional to 86,984.92, 120,037.16 and 51,177.24 is: 70,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,984.92 : 120,037.16 = 51,177.24 : x
  2. Step 2: Convert to fraction form
    86,984.92/120,037.16 = 51,177.24/x
  3. Step 3: Cross multiply
    86,984.92x = 120,037.16 × 51,177.24
  4. Step 4: Simplify right side
    86,984.92x = 6,143,170,546.24
  5. Step 5: Solve for x
    x = 6,143,170,546.24/86,984.92
  6. Step 6: Final answer
    x = 70,623.40

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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.