Home / 118,107.18-162,981.99-67,113.18

Finding the Fourth Proportional to 118,107.18, 162,981.99 and 67,113.18

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Solution

The fourth proportional to 118,107.18, 162,981.99 and 67,113.18 is: 92,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,107.18 : 162,981.99 = 67,113.18 : x
  2. Step 2: Convert to fraction form
    118,107.18/162,981.99 = 67,113.18/x
  3. Step 3: Cross multiply
    118,107.18x = 162,981.99 × 67,113.18
  4. Step 4: Simplify right side
    118,107.18x = 10,938,239,631.63
  5. Step 5: Solve for x
    x = 10,938,239,631.63/118,107.18
  6. Step 6: Final answer
    x = 92,612.83

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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.