Home / 86,370.50-119,221.12-50,572.02

Finding the Fourth Proportional to 86,370.50, 119,221.12 and 50,572.02

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Solution

The fourth proportional to 86,370.50, 119,221.12 and 50,572.02 is: 69,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,370.50 : 119,221.12 = 50,572.02 : x
  2. Step 2: Convert to fraction form
    86,370.50/119,221.12 = 50,572.02/x
  3. Step 3: Cross multiply
    86,370.50x = 119,221.12 × 50,572.02
  4. Step 4: Simplify right side
    86,370.50x = 6,029,252,865.06
  5. Step 5: Solve for x
    x = 6,029,252,865.06/86,370.50
  6. Step 6: Final answer
    x = 69,806.85

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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.