Home / 82,817.26-114,172.98-55,917.16

Finding the Fourth Proportional to 82,817.26, 114,172.98 and 55,917.16

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Solution

The fourth proportional to 82,817.26, 114,172.98 and 55,917.16 is: 77,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,817.26 : 114,172.98 = 55,917.16 : x
  2. Step 2: Convert to fraction form
    82,817.26/114,172.98 = 55,917.16/x
  3. Step 3: Cross multiply
    82,817.26x = 114,172.98 × 55,917.16
  4. Step 4: Simplify right side
    82,817.26x = 6,384,228,790.34
  5. Step 5: Solve for x
    x = 6,384,228,790.34/82,817.26
  6. Step 6: Final answer
    x = 77,088.14

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1.5x scale

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.