Home / 112,020.90-168,061.05-48,813.90

Finding the Fourth Proportional to 112,020.90, 168,061.05 and 48,813.90

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Solution

The fourth proportional to 112,020.90, 168,061.05 and 48,813.90 is: 73,233.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,020.90 : 168,061.05 = 48,813.90 : x
  2. Step 2: Convert to fraction form
    112,020.90/168,061.05 = 48,813.90/x
  3. Step 3: Cross multiply
    112,020.90x = 168,061.05 × 48,813.90
  4. Step 4: Simplify right side
    112,020.90x = 8,203,715,288.60
  5. Step 5: Solve for x
    x = 8,203,715,288.60/112,020.90
  6. Step 6: Final answer
    x = 73,233.79

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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.