Home / 112,095.90-167,949.45-72,632.70

Finding the Fourth Proportional to 112,095.90, 167,949.45 and 72,632.70

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Solution

The fourth proportional to 112,095.90, 167,949.45 and 72,632.70 is: 108,823.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,095.90 : 167,949.45 = 72,632.70 : x
  2. Step 2: Convert to fraction form
    112,095.90/167,949.45 = 72,632.70/x
  3. Step 3: Cross multiply
    112,095.90x = 167,949.45 × 72,632.70
  4. Step 4: Simplify right side
    112,095.90x = 12,198,622,017.02
  5. Step 5: Solve for x
    x = 12,198,622,017.02/112,095.90
  6. Step 6: Final answer
    x = 108,823.09

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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.