Home / 86,595.50-129,517.98-50,971.92

Finding the Fourth Proportional to 86,595.50, 129,517.98 and 50,971.92

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Solution

The fourth proportional to 86,595.50, 129,517.98 and 50,971.92 is: 76,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,595.50 : 129,517.98 = 50,971.92 : x
  2. Step 2: Convert to fraction form
    86,595.50/129,517.98 = 50,971.92/x
  3. Step 3: Cross multiply
    86,595.50x = 129,517.98 × 50,971.92
  4. Step 4: Simplify right side
    86,595.50x = 6,601,780,115.12
  5. Step 5: Solve for x
    x = 6,601,780,115.12/86,595.50
  6. Step 6: Final answer
    x = 76,236.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.