Home / 83,083.32-114,720.30-66,899.25

Finding the Fourth Proportional to 83,083.32, 114,720.30 and 66,899.25

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Solution

The fourth proportional to 83,083.32, 114,720.30 and 66,899.25 is: 92,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,083.32 : 114,720.30 = 66,899.25 : x
  2. Step 2: Convert to fraction form
    83,083.32/114,720.30 = 66,899.25/x
  3. Step 3: Cross multiply
    83,083.32x = 114,720.30 × 66,899.25
  4. Step 4: Simplify right side
    83,083.32x = 7,674,702,029.78
  5. Step 5: Solve for x
    x = 7,674,702,029.78/83,083.32
  6. Step 6: Final answer
    x = 92,373.56

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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.