Home / 45,433.15-68,297.35-45,211.72

Finding the Fourth Proportional to 45,433.15, 68,297.35 and 45,211.72

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Solution

The fourth proportional to 45,433.15, 68,297.35 and 45,211.72 is: 67,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,433.15 : 68,297.35 = 45,211.72 : x
  2. Step 2: Convert to fraction form
    45,433.15/68,297.35 = 45,211.72/x
  3. Step 3: Cross multiply
    45,433.15x = 68,297.35 × 45,211.72
  4. Step 4: Simplify right side
    45,433.15x = 3,087,840,721.16
  5. Step 5: Solve for x
    x = 3,087,840,721.16/45,433.15
  6. Step 6: Final answer
    x = 67,964.48

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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.