Home / 109,569.09-151,205.37-59,268.09

Finding the Fourth Proportional to 109,569.09, 151,205.37 and 59,268.09

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Solution

The fourth proportional to 109,569.09, 151,205.37 and 59,268.09 is: 81,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,569.09 : 151,205.37 = 59,268.09 : x
  2. Step 2: Convert to fraction form
    109,569.09/151,205.37 = 59,268.09/x
  3. Step 3: Cross multiply
    109,569.09x = 151,205.37 × 59,268.09
  4. Step 4: Simplify right side
    109,569.09x = 8,961,653,477.64
  5. Step 5: Solve for x
    x = 8,961,653,477.64/109,569.09
  6. Step 6: Final answer
    x = 81,789.98

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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.