Home / 112,965.76-169,449.86-34,080.67

Finding the Fourth Proportional to 112,965.76, 169,449.86 and 34,080.67

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Solution

The fourth proportional to 112,965.76, 169,449.86 and 34,080.67 is: 51,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,965.76 : 169,449.86 = 34,080.67 : x
  2. Step 2: Convert to fraction form
    112,965.76/169,449.86 = 34,080.67/x
  3. Step 3: Cross multiply
    112,965.76x = 169,449.86 × 34,080.67
  4. Step 4: Simplify right side
    112,965.76x = 5,774,964,760.21
  5. Step 5: Solve for x
    x = 5,774,964,760.21/112,965.76
  6. Step 6: Final answer
    x = 51,121.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.