Home / 86,890.32-119,921.52-55,062.18

Finding the Fourth Proportional to 86,890.32, 119,921.52 and 55,062.18

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Solution

The fourth proportional to 86,890.32, 119,921.52 and 55,062.18 is: 75,993.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,890.32 : 119,921.52 = 55,062.18 : x
  2. Step 2: Convert to fraction form
    86,890.32/119,921.52 = 55,062.18/x
  3. Step 3: Cross multiply
    86,890.32x = 119,921.52 × 55,062.18
  4. Step 4: Simplify right side
    86,890.32x = 6,603,140,320.11
  5. Step 5: Solve for x
    x = 6,603,140,320.11/86,890.32
  6. Step 6: Final answer
    x = 75,993.97

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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.