Home / 82,842.12-114,322.32-45,115.56

Finding the Fourth Proportional to 82,842.12, 114,322.32 and 45,115.56

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Solution

The fourth proportional to 82,842.12, 114,322.32 and 45,115.56 is: 62,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,842.12 : 114,322.32 = 45,115.56 : x
  2. Step 2: Convert to fraction form
    82,842.12/114,322.32 = 45,115.56/x
  3. Step 3: Cross multiply
    82,842.12x = 114,322.32 × 45,115.56
  4. Step 4: Simplify right side
    82,842.12x = 5,157,715,487.30
  5. Step 5: Solve for x
    x = 5,157,715,487.30/82,842.12
  6. Step 6: Final answer
    x = 62,259.58

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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.