Home / 82,830.30-124,245.45-73,844.70

Finding the Fourth Proportional to 82,830.30, 124,245.45 and 73,844.70

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Solution

The fourth proportional to 82,830.30, 124,245.45 and 73,844.70 is: 110,767.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,830.30 : 124,245.45 = 73,844.70 : x
  2. Step 2: Convert to fraction form
    82,830.30/124,245.45 = 73,844.70/x
  3. Step 3: Cross multiply
    82,830.30x = 124,245.45 × 73,844.70
  4. Step 4: Simplify right side
    82,830.30x = 9,174,867,981.62
  5. Step 5: Solve for x
    x = 9,174,867,981.62/82,830.30
  6. Step 6: Final answer
    x = 110,767.05

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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.