Home / 110,689.76-166,046.51-30,728.07

Finding the Fourth Proportional to 110,689.76, 166,046.51 and 30,728.07

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Solution

The fourth proportional to 110,689.76, 166,046.51 and 30,728.07 is: 46,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,689.76 : 166,046.51 = 30,728.07 : x
  2. Step 2: Convert to fraction form
    110,689.76/166,046.51 = 30,728.07/x
  3. Step 3: Cross multiply
    110,689.76x = 166,046.51 × 30,728.07
  4. Step 4: Simplify right side
    110,689.76x = 5,102,288,219.50
  5. Step 5: Solve for x
    x = 5,102,288,219.50/110,689.76
  6. Step 6: Final answer
    x = 46,095.39

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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.