Home / 55,311.48-82,966.86-33,131.16

Finding the Fourth Proportional to 55,311.48, 82,966.86 and 33,131.16

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Solution

The fourth proportional to 55,311.48, 82,966.86 and 33,131.16 is: 49,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311.48 : 82,966.86 = 33,131.16 : x
  2. Step 2: Convert to fraction form
    55,311.48/82,966.86 = 33,131.16/x
  3. Step 3: Cross multiply
    55,311.48x = 82,966.86 × 33,131.16
  4. Step 4: Simplify right side
    55,311.48x = 2,748,788,313.36
  5. Step 5: Solve for x
    x = 2,748,788,313.36/55,311.48
  6. Step 6: Final answer
    x = 49,696.52

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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.