Home / 74,118.85-111,038.77-36,635.03

Finding the Fourth Proportional to 74,118.85, 111,038.77 and 36,635.03

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Solution

The fourth proportional to 74,118.85, 111,038.77 and 36,635.03 is: 54,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118.85 : 111,038.77 = 36,635.03 : x
  2. Step 2: Convert to fraction form
    74,118.85/111,038.77 = 36,635.03/x
  3. Step 3: Cross multiply
    74,118.85x = 111,038.77 × 36,635.03
  4. Step 4: Simplify right side
    74,118.85x = 4,067,909,304.74
  5. Step 5: Solve for x
    x = 4,067,909,304.74/74,118.85
  6. Step 6: Final answer
    x = 54,883.60

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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.