Home / 82,191.03-113,320.38-67,068.33

Finding the Fourth Proportional to 82,191.03, 113,320.38 and 67,068.33

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Solution

The fourth proportional to 82,191.03, 113,320.38 and 67,068.33 is: 92,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,191.03 : 113,320.38 = 67,068.33 : x
  2. Step 2: Convert to fraction form
    82,191.03/113,320.38 = 67,068.33/x
  3. Step 3: Cross multiply
    82,191.03x = 113,320.38 × 67,068.33
  4. Step 4: Simplify right side
    82,191.03x = 7,600,208,641.57
  5. Step 5: Solve for x
    x = 7,600,208,641.57/82,191.03
  6. Step 6: Final answer
    x = 92,470.05

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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.