Home / 109,557.22-151,187.77-61,826.02

Finding the Fourth Proportional to 109,557.22, 151,187.77 and 61,826.02

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Solution

The fourth proportional to 109,557.22, 151,187.77 and 61,826.02 is: 85,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,557.22 : 151,187.77 = 61,826.02 : x
  2. Step 2: Convert to fraction form
    109,557.22/151,187.77 = 61,826.02/x
  3. Step 3: Cross multiply
    109,557.22x = 151,187.77 × 61,826.02
  4. Step 4: Simplify right side
    109,557.22x = 9,347,338,091.78
  5. Step 5: Solve for x
    x = 9,347,338,091.78/109,557.22
  6. Step 6: Final answer
    x = 85,319.23

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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.