Home / 45,656.60-68,425.56-18,607.35

Finding the Fourth Proportional to 45,656.60, 68,425.56 and 18,607.35

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Solution

The fourth proportional to 45,656.60, 68,425.56 and 18,607.35 is: 27,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,656.60 : 68,425.56 = 18,607.35 : x
  2. Step 2: Convert to fraction form
    45,656.60/68,425.56 = 18,607.35/x
  3. Step 3: Cross multiply
    45,656.60x = 68,425.56 × 18,607.35
  4. Step 4: Simplify right side
    45,656.60x = 1,273,218,600.46
  5. Step 5: Solve for x
    x = 1,273,218,600.46/45,656.60
  6. Step 6: Final answer
    x = 27,886.85

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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.