Home / 61,865.20-85,374.04-33,570.89

Finding the Fourth Proportional to 61,865.20, 85,374.04 and 33,570.89

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Solution

The fourth proportional to 61,865.20, 85,374.04 and 33,570.89 is: 46,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,865.20 : 85,374.04 = 33,570.89 : x
  2. Step 2: Convert to fraction form
    61,865.20/85,374.04 = 33,570.89/x
  3. Step 3: Cross multiply
    61,865.20x = 85,374.04 × 33,570.89
  4. Step 4: Simplify right side
    61,865.20x = 2,866,082,078.83
  5. Step 5: Solve for x
    x = 2,866,082,078.83/61,865.20
  6. Step 6: Final answer
    x = 46,327.86

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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.