Home / 82,191.03-113,422.51-45,893.04

Finding the Fourth Proportional to 82,191.03, 113,422.51 and 45,893.04

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Solution

The fourth proportional to 82,191.03, 113,422.51 and 45,893.04 is: 63,331.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191.03 : 113,422.51 = 45,893.04 : x
  2. Step 2: Convert to fraction form
    82,191.03/113,422.51 = 45,893.04/x
  3. Step 3: Cross multiply
    82,191.03x = 113,422.51 × 45,893.04
  4. Step 4: Simplify right side
    82,191.03x = 5,205,303,403.31
  5. Step 5: Solve for x
    x = 5,205,303,403.31/82,191.03
  6. Step 6: Final answer
    x = 63,331.77

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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.