Home / 86,239.22-129,204.92-46,771.16

Finding the Fourth Proportional to 86,239.22, 129,204.92 and 46,771.16

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Solution

The fourth proportional to 86,239.22, 129,204.92 and 46,771.16 is: 70,073.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,239.22 : 129,204.92 = 46,771.16 : x
  2. Step 2: Convert to fraction form
    86,239.22/129,204.92 = 46,771.16/x
  3. Step 3: Cross multiply
    86,239.22x = 129,204.92 × 46,771.16
  4. Step 4: Simplify right side
    86,239.22x = 6,043,063,457.01
  5. Step 5: Solve for x
    x = 6,043,063,457.01/86,239.22
  6. Step 6: Final answer
    x = 70,073.27

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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.