Home / 109,480.94-151,083.45-61,733.95

Finding the Fourth Proportional to 109,480.94, 151,083.45 and 61,733.95

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Solution

The fourth proportional to 109,480.94, 151,083.45 and 61,733.95 is: 85,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,480.94 : 151,083.45 = 61,733.95 : x
  2. Step 2: Convert to fraction form
    109,480.94/151,083.45 = 61,733.95/x
  3. Step 3: Cross multiply
    109,480.94x = 151,083.45 × 61,733.95
  4. Step 4: Simplify right side
    109,480.94x = 9,326,978,148.13
  5. Step 5: Solve for x
    x = 9,326,978,148.13/109,480.94
  6. Step 6: Final answer
    x = 85,192.71

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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.