Home / 86,982.94-120,025.23-51,159.88

Finding the Fourth Proportional to 86,982.94, 120,025.23 and 51,159.88

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Solution

The fourth proportional to 86,982.94, 120,025.23 and 51,159.88 is: 70,594.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,982.94 : 120,025.23 = 51,159.88 : x
  2. Step 2: Convert to fraction form
    86,982.94/120,025.23 = 51,159.88/x
  3. Step 3: Cross multiply
    86,982.94x = 120,025.23 × 51,159.88
  4. Step 4: Simplify right side
    86,982.94x = 6,140,475,763.65
  5. Step 5: Solve for x
    x = 6,140,475,763.65/86,982.94
  6. Step 6: Final answer
    x = 70,594.03

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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.