Home / 45,859.23-68,784.24-12,582.64

Finding the Fourth Proportional to 45,859.23, 68,784.24 and 12,582.64

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Solution

The fourth proportional to 45,859.23, 68,784.24 and 12,582.64 is: 18,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,859.23 : 68,784.24 = 12,582.64 : x
  2. Step 2: Convert to fraction form
    45,859.23/68,784.24 = 12,582.64/x
  3. Step 3: Cross multiply
    45,859.23x = 68,784.24 × 12,582.64
  4. Step 4: Simplify right side
    45,859.23x = 865,487,329.59
  5. Step 5: Solve for x
    x = 865,487,329.59/45,859.23
  6. Step 6: Final answer
    x = 18,872.70

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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.