Home / 61,155.36-84,385.76-35,669.44

Finding the Fourth Proportional to 61,155.36, 84,385.76 and 35,669.44

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Solution

The fourth proportional to 61,155.36, 84,385.76 and 35,669.44 is: 49,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,155.36 : 84,385.76 = 35,669.44 : x
  2. Step 2: Convert to fraction form
    61,155.36/84,385.76 = 35,669.44/x
  3. Step 3: Cross multiply
    61,155.36x = 84,385.76 × 35,669.44
  4. Step 4: Simplify right side
    61,155.36x = 3,009,992,803.17
  5. Step 5: Solve for x
    x = 3,009,992,803.17/61,155.36
  6. Step 6: Final answer
    x = 49,218.79

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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.