Home / 72,069.81-108,110.48-25,333.17

Finding the Fourth Proportional to 72,069.81, 108,110.48 and 25,333.17

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Solution

The fourth proportional to 72,069.81, 108,110.48 and 25,333.17 is: 38,001.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,069.81 : 108,110.48 = 25,333.17 : x
  2. Step 2: Convert to fraction form
    72,069.81/108,110.48 = 25,333.17/x
  3. Step 3: Cross multiply
    72,069.81x = 108,110.48 × 25,333.17
  4. Step 4: Simplify right side
    72,069.81x = 2,738,781,041.96
  5. Step 5: Solve for x
    x = 2,738,781,041.96/72,069.81
  6. Step 6: Final answer
    x = 38,001.78

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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.