Home / 118,053.24-162,907.38-67,749

Finding the Fourth Proportional to 118,053.24, 162,907.38 and 67,749

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Solution

The fourth proportional to 118,053.24, 162,907.38 and 67,749 is: 93,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,053.24 : 162,907.38 = 67,749 : x
  2. Step 2: Convert to fraction form
    118,053.24/162,907.38 = 67,749/x
  3. Step 3: Cross multiply
    118,053.24x = 162,907.38 × 67,749
  4. Step 4: Simplify right side
    118,053.24x = 11,036,812,087.62
  5. Step 5: Solve for x
    x = 11,036,812,087.62/118,053.24
  6. Step 6: Final answer
    x = 93,490.12

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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.