Home / 86,609.76-119,494.26-50,801.28

Finding the Fourth Proportional to 86,609.76, 119,494.26 and 50,801.28

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Solution

The fourth proportional to 86,609.76, 119,494.26 and 50,801.28 is: 70,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,609.76 : 119,494.26 = 50,801.28 : x
  2. Step 2: Convert to fraction form
    86,609.76/119,494.26 = 50,801.28/x
  3. Step 3: Cross multiply
    86,609.76x = 119,494.26 × 50,801.28
  4. Step 4: Simplify right side
    86,609.76x = 6,070,461,360.65
  5. Step 5: Solve for x
    x = 6,070,461,360.65/86,609.76
  6. Step 6: Final answer
    x = 70,089.81

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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.