Home / 78,009.28-107,646.88-44,020.93

Finding the Fourth Proportional to 78,009.28, 107,646.88 and 44,020.93

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Solution

The fourth proportional to 78,009.28, 107,646.88 and 44,020.93 is: 60,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,009.28 : 107,646.88 = 44,020.93 : x
  2. Step 2: Convert to fraction form
    78,009.28/107,646.88 = 44,020.93/x
  3. Step 3: Cross multiply
    78,009.28x = 107,646.88 × 44,020.93
  4. Step 4: Simplify right side
    78,009.28x = 4,738,715,996.02
  5. Step 5: Solve for x
    x = 4,738,715,996.02/78,009.28
  6. Step 6: Final answer
    x = 60,745.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.