Home / 40,720.25-61,065.36-14,059.43

Finding the Fourth Proportional to 40,720.25, 61,065.36 and 14,059.43

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Solution

The fourth proportional to 40,720.25, 61,065.36 and 14,059.43 is: 21,083.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,720.25 : 61,065.36 = 14,059.43 : x
  2. Step 2: Convert to fraction form
    40,720.25/61,065.36 = 14,059.43/x
  3. Step 3: Cross multiply
    40,720.25x = 61,065.36 × 14,059.43
  4. Step 4: Simplify right side
    40,720.25x = 858,544,154.34
  5. Step 5: Solve for x
    x = 858,544,154.34/40,720.25
  6. Step 6: Final answer
    x = 21,083.96

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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.