Home / 45,740.58-68,617.89-14,568.54

Finding the Fourth Proportional to 45,740.58, 68,617.89 and 14,568.54

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Solution

The fourth proportional to 45,740.58, 68,617.89 and 14,568.54 is: 21,855.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,740.58 : 68,617.89 = 14,568.54 : x
  2. Step 2: Convert to fraction form
    45,740.58/68,617.89 = 14,568.54/x
  3. Step 3: Cross multiply
    45,740.58x = 68,617.89 × 14,568.54
  4. Step 4: Simplify right side
    45,740.58x = 999,662,475.18
  5. Step 5: Solve for x
    x = 999,662,475.18/45,740.58
  6. Step 6: Final answer
    x = 21,855.05

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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.