Home / 82,725.17-114,069.51-57,187.22

Finding the Fourth Proportional to 82,725.17, 114,069.51 and 57,187.22

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Solution

The fourth proportional to 82,725.17, 114,069.51 and 57,187.22 is: 78,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,725.17 : 114,069.51 = 57,187.22 : x
  2. Step 2: Convert to fraction form
    82,725.17/114,069.51 = 57,187.22/x
  3. Step 3: Cross multiply
    82,725.17x = 114,069.51 × 57,187.22
  4. Step 4: Simplify right side
    82,725.17x = 6,523,317,593.31
  5. Step 5: Solve for x
    x = 6,523,317,593.31/82,725.17
  6. Step 6: Final answer
    x = 78,855.30

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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.