Home / 67,917.93-101,300.42-66,736.95

Finding the Fourth Proportional to 67,917.93, 101,300.42 and 66,736.95

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Solution

The fourth proportional to 67,917.93, 101,300.42 and 66,736.95 is: 99,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,917.93 : 101,300.42 = 66,736.95 : x
  2. Step 2: Convert to fraction form
    67,917.93/101,300.42 = 66,736.95/x
  3. Step 3: Cross multiply
    67,917.93x = 101,300.42 × 66,736.95
  4. Step 4: Simplify right side
    67,917.93x = 6,760,480,730.83
  5. Step 5: Solve for x
    x = 6,760,480,730.83/67,917.93
  6. Step 6: Final answer
    x = 99,538.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.