Home / 45,864.68-68,789.63-12,577.01

Finding the Fourth Proportional to 45,864.68, 68,789.63 and 12,577.01

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Solution

The fourth proportional to 45,864.68, 68,789.63 and 12,577.01 is: 18,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,864.68 : 68,789.63 = 12,577.01 : x
  2. Step 2: Convert to fraction form
    45,864.68/68,789.63 = 12,577.01/x
  3. Step 3: Cross multiply
    45,864.68x = 68,789.63 × 12,577.01
  4. Step 4: Simplify right side
    45,864.68x = 865,167,801.52
  5. Step 5: Solve for x
    x = 865,167,801.52/45,864.68
  6. Step 6: Final answer
    x = 18,863.49

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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.