Home / 86,527.78-119,409.46-50,237.72

Finding the Fourth Proportional to 86,527.78, 119,409.46 and 50,237.72

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Solution

The fourth proportional to 86,527.78, 119,409.46 and 50,237.72 is: 69,328.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,527.78 : 119,409.46 = 50,237.72 : x
  2. Step 2: Convert to fraction form
    86,527.78/119,409.46 = 50,237.72/x
  3. Step 3: Cross multiply
    86,527.78x = 119,409.46 × 50,237.72
  4. Step 4: Simplify right side
    86,527.78x = 5,998,858,741.98
  5. Step 5: Solve for x
    x = 5,998,858,741.98/86,527.78
  6. Step 6: Final answer
    x = 69,328.70

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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.