Home / 117,311.77-161,891.07-63,597.63

Finding the Fourth Proportional to 117,311.77, 161,891.07 and 63,597.63

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Solution

The fourth proportional to 117,311.77, 161,891.07 and 63,597.63 is: 87,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,311.77 : 161,891.07 = 63,597.63 : x
  2. Step 2: Convert to fraction form
    117,311.77/161,891.07 = 63,597.63/x
  3. Step 3: Cross multiply
    117,311.77x = 161,891.07 × 63,597.63
  4. Step 4: Simplify right side
    117,311.77x = 10,295,888,370.16
  5. Step 5: Solve for x
    x = 10,295,888,370.16/117,311.77
  6. Step 6: Final answer
    x = 87,765.18

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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.