Home / 86,464.38-119,322.67-48,738.62

Finding the Fourth Proportional to 86,464.38, 119,322.67 and 48,738.62

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Solution

The fourth proportional to 86,464.38, 119,322.67 and 48,738.62 is: 67,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,464.38 : 119,322.67 = 48,738.62 : x
  2. Step 2: Convert to fraction form
    86,464.38/119,322.67 = 48,738.62/x
  3. Step 3: Cross multiply
    86,464.38x = 119,322.67 × 48,738.62
  4. Step 4: Simplify right side
    86,464.38x = 5,815,622,270.52
  5. Step 5: Solve for x
    x = 5,815,622,270.52/86,464.38
  6. Step 6: Final answer
    x = 67,260.32

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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.