Home / 86,518.96-119,385.48-50,700.76

Finding the Fourth Proportional to 86,518.96, 119,385.48 and 50,700.76

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Solution

The fourth proportional to 86,518.96, 119,385.48 and 50,700.76 is: 69,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,518.96 : 119,385.48 = 50,700.76 : x
  2. Step 2: Convert to fraction form
    86,518.96/119,385.48 = 50,700.76/x
  3. Step 3: Cross multiply
    86,518.96x = 119,385.48 × 50,700.76
  4. Step 4: Simplify right side
    86,518.96x = 6,052,934,568.96
  5. Step 5: Solve for x
    x = 6,052,934,568.96/86,518.96
  6. Step 6: Final answer
    x = 69,960.79

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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.