Home / 61,874.15-85,386.40-33,579.83

Finding the Fourth Proportional to 61,874.15, 85,386.40 and 33,579.83

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Solution

The fourth proportional to 61,874.15, 85,386.40 and 33,579.83 is: 46,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,874.15 : 85,386.40 = 33,579.83 : x
  2. Step 2: Convert to fraction form
    61,874.15/85,386.40 = 33,579.83/x
  3. Step 3: Cross multiply
    61,874.15x = 85,386.40 × 33,579.83
  4. Step 4: Simplify right side
    61,874.15x = 2,867,261,114.71
  5. Step 5: Solve for x
    x = 2,867,261,114.71/61,874.15
  6. Step 6: Final answer
    x = 46,340.21

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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.