Home / 61,111.20-91,671.60-26,051.12

Finding the Fourth Proportional to 61,111.20, 91,671.60 and 26,051.12

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Solution

The fourth proportional to 61,111.20, 91,671.60 and 26,051.12 is: 39,078.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,111.20 : 91,671.60 = 26,051.12 : x
  2. Step 2: Convert to fraction form
    61,111.20/91,671.60 = 26,051.12/x
  3. Step 3: Cross multiply
    61,111.20x = 91,671.60 × 26,051.12
  4. Step 4: Simplify right side
    61,111.20x = 2,388,147,852.19
  5. Step 5: Solve for x
    x = 2,388,147,852.19/61,111.20
  6. Step 6: Final answer
    x = 39,078.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.