Home / 86,431.35-119,279.88-50,624.09

Finding the Fourth Proportional to 86,431.35, 119,279.88 and 50,624.09

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Solution

The fourth proportional to 86,431.35, 119,279.88 and 50,624.09 is: 69,863.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,431.35 : 119,279.88 = 50,624.09 : x
  2. Step 2: Convert to fraction form
    86,431.35/119,279.88 = 50,624.09/x
  3. Step 3: Cross multiply
    86,431.35x = 119,279.88 × 50,624.09
  4. Step 4: Simplify right side
    86,431.35x = 6,038,434,783.91
  5. Step 5: Solve for x
    x = 6,038,434,783.91/86,431.35
  6. Step 6: Final answer
    x = 69,863.94

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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.