Home / 86,454.83-119,305.28-48,215.54

Finding the Fourth Proportional to 86,454.83, 119,305.28 and 48,215.54

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Solution

The fourth proportional to 86,454.83, 119,305.28 and 48,215.54 is: 66,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,454.83 : 119,305.28 = 48,215.54 : x
  2. Step 2: Convert to fraction form
    86,454.83/119,305.28 = 48,215.54/x
  3. Step 3: Cross multiply
    86,454.83x = 119,305.28 × 48,215.54
  4. Step 4: Simplify right side
    86,454.83x = 5,752,368,500.05
  5. Step 5: Solve for x
    x = 5,752,368,500.05/86,454.83
  6. Step 6: Final answer
    x = 66,536.11

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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.