Home / 72,022.63-108,173.99-58,705.39

Finding the Fourth Proportional to 72,022.63, 108,173.99 and 58,705.39

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Solution

The fourth proportional to 72,022.63, 108,173.99 and 58,705.39 is: 88,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,022.63 : 108,173.99 = 58,705.39 : x
  2. Step 2: Convert to fraction form
    72,022.63/108,173.99 = 58,705.39/x
  3. Step 3: Cross multiply
    72,022.63x = 108,173.99 × 58,705.39
  4. Step 4: Simplify right side
    72,022.63x = 6,350,396,270.81
  5. Step 5: Solve for x
    x = 6,350,396,270.81/72,022.63
  6. Step 6: Final answer
    x = 88,172.24

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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.