Home / 85,226.32-117,519.96-58,020

Finding the Fourth Proportional to 85,226.32, 117,519.96 and 58,020

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Solution

The fourth proportional to 85,226.32, 117,519.96 and 58,020 is: 80,004.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,226.32 : 117,519.96 = 58,020 : x
  2. Step 2: Convert to fraction form
    85,226.32/117,519.96 = 58,020/x
  3. Step 3: Cross multiply
    85,226.32x = 117,519.96 × 58,020
  4. Step 4: Simplify right side
    85,226.32x = 6,818,508,079.20
  5. Step 5: Solve for x
    x = 6,818,508,079.20/85,226.32
  6. Step 6: Final answer
    x = 80,004.72

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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.