Home / 82,887.31-124,331.82-66,352.44

Finding the Fourth Proportional to 82,887.31, 124,331.82 and 66,352.44

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Solution

The fourth proportional to 82,887.31, 124,331.82 and 66,352.44 is: 99,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,887.31 : 124,331.82 = 66,352.44 : x
  2. Step 2: Convert to fraction form
    82,887.31/124,331.82 = 66,352.44/x
  3. Step 3: Cross multiply
    82,887.31x = 124,331.82 × 66,352.44
  4. Step 4: Simplify right side
    82,887.31x = 8,249,719,626.64
  5. Step 5: Solve for x
    x = 8,249,719,626.64/82,887.31
  6. Step 6: Final answer
    x = 99,529.34

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1.5x scale

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.