Home / 82,279.52-113,544.96-48,288.32

Finding the Fourth Proportional to 82,279.52, 113,544.96 and 48,288.32

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Solution

The fourth proportional to 82,279.52, 113,544.96 and 48,288.32 is: 66,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,279.52 : 113,544.96 = 48,288.32 : x
  2. Step 2: Convert to fraction form
    82,279.52/113,544.96 = 48,288.32/x
  3. Step 3: Cross multiply
    82,279.52x = 113,544.96 × 48,288.32
  4. Step 4: Simplify right side
    82,279.52x = 5,482,895,362.87
  5. Step 5: Solve for x
    x = 5,482,895,362.87/82,279.52
  6. Step 6: Final answer
    x = 66,637.43

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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.