Home / 109,561.49-151,201.77-61,797.41

Finding the Fourth Proportional to 109,561.49, 151,201.77 and 61,797.41

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Solution

The fourth proportional to 109,561.49, 151,201.77 and 61,797.41 is: 85,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,561.49 : 151,201.77 = 61,797.41 : x
  2. Step 2: Convert to fraction form
    109,561.49/151,201.77 = 61,797.41/x
  3. Step 3: Cross multiply
    109,561.49x = 151,201.77 × 61,797.41
  4. Step 4: Simplify right side
    109,561.49x = 9,343,877,773.42
  5. Step 5: Solve for x
    x = 9,343,877,773.42/109,561.49
  6. Step 6: Final answer
    x = 85,284.33

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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.