Home / 74,215.85-111,362.04-34,776.95

Finding the Fourth Proportional to 74,215.85, 111,362.04 and 34,776.95

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Solution

The fourth proportional to 74,215.85, 111,362.04 and 34,776.95 is: 52,183.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215.85 : 111,362.04 = 34,776.95 : x
  2. Step 2: Convert to fraction form
    74,215.85/111,362.04 = 34,776.95/x
  3. Step 3: Cross multiply
    74,215.85x = 111,362.04 × 34,776.95
  4. Step 4: Simplify right side
    74,215.85x = 3,872,831,540.17
  5. Step 5: Solve for x
    x = 3,872,831,540.17/74,215.85
  6. Step 6: Final answer
    x = 52,183.35

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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.