Home / 66,619.17-91,933.34-36,403.83

Finding the Fourth Proportional to 66,619.17, 91,933.34 and 36,403.83

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Solution

The fourth proportional to 66,619.17, 91,933.34 and 36,403.83 is: 50,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.17 : 91,933.34 = 36,403.83 : x
  2. Step 2: Convert to fraction form
    66,619.17/91,933.34 = 36,403.83/x
  3. Step 3: Cross multiply
    66,619.17x = 91,933.34 × 36,403.83
  4. Step 4: Simplify right side
    66,619.17x = 3,346,725,498.67
  5. Step 5: Solve for x
    x = 3,346,725,498.67/66,619.17
  6. Step 6: Final answer
    x = 50,236.67

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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.