Home / 62,784.56-94,166.49-20,665.19

Finding the Fourth Proportional to 62,784.56, 94,166.49 and 20,665.19

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Solution

The fourth proportional to 62,784.56, 94,166.49 and 20,665.19 is: 30,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,784.56 : 94,166.49 = 20,665.19 : x
  2. Step 2: Convert to fraction form
    62,784.56/94,166.49 = 20,665.19/x
  3. Step 3: Cross multiply
    62,784.56x = 94,166.49 × 20,665.19
  4. Step 4: Simplify right side
    62,784.56x = 1,945,968,407.48
  5. Step 5: Solve for x
    x = 1,945,968,407.48/62,784.56
  6. Step 6: Final answer
    x = 30,994.38

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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.