Home / 45,543.52-68,318.52-14,378.50

Finding the Fourth Proportional to 45,543.52, 68,318.52 and 14,378.50

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Solution

The fourth proportional to 45,543.52, 68,318.52 and 14,378.50 is: 21,568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,543.52 : 68,318.52 = 14,378.50 : x
  2. Step 2: Convert to fraction form
    45,543.52/68,318.52 = 14,378.50/x
  3. Step 3: Cross multiply
    45,543.52x = 68,318.52 × 14,378.50
  4. Step 4: Simplify right side
    45,543.52x = 982,317,839.82
  5. Step 5: Solve for x
    x = 982,317,839.82/45,543.52
  6. Step 6: Final answer
    x = 21,568.77

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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.