Home / 86,039.82-118,738.28-58,872.85

Finding the Fourth Proportional to 86,039.82, 118,738.28 and 58,872.85

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Solution

The fourth proportional to 86,039.82, 118,738.28 and 58,872.85 is: 81,246.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,039.82 : 118,738.28 = 58,872.85 : x
  2. Step 2: Convert to fraction form
    86,039.82/118,738.28 = 58,872.85/x
  3. Step 3: Cross multiply
    86,039.82x = 118,738.28 × 58,872.85
  4. Step 4: Simplify right side
    86,039.82x = 6,990,460,356.49
  5. Step 5: Solve for x
    x = 6,990,460,356.49/86,039.82
  6. Step 6: Final answer
    x = 81,246.81

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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.