Home / 86,729.96-119,680.72-52,733.76

Finding the Fourth Proportional to 86,729.96, 119,680.72 and 52,733.76

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Solution

The fourth proportional to 86,729.96, 119,680.72 and 52,733.76 is: 72,768.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,729.96 : 119,680.72 = 52,733.76 : x
  2. Step 2: Convert to fraction form
    86,729.96/119,680.72 = 52,733.76/x
  3. Step 3: Cross multiply
    86,729.96x = 119,680.72 × 52,733.76
  4. Step 4: Simplify right side
    86,729.96x = 6,311,214,365.11
  5. Step 5: Solve for x
    x = 6,311,214,365.11/86,729.96
  6. Step 6: Final answer
    x = 72,768.56

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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.