Home / 45,864.42-68,792.01-12,587.84

Finding the Fourth Proportional to 45,864.42, 68,792.01 and 12,587.84

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Solution

The fourth proportional to 45,864.42, 68,792.01 and 12,587.84 is: 18,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,864.42 : 68,792.01 = 12,587.84 : x
  2. Step 2: Convert to fraction form
    45,864.42/68,792.01 = 12,587.84/x
  3. Step 3: Cross multiply
    45,864.42x = 68,792.01 × 12,587.84
  4. Step 4: Simplify right side
    45,864.42x = 865,942,471.20
  5. Step 5: Solve for x
    x = 865,942,471.20/45,864.42
  6. Step 6: Final answer
    x = 18,880.48

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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.