Home / 73,041.90-109,562.86-66,568.38

Finding the Fourth Proportional to 73,041.90, 109,562.86 and 66,568.38

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Solution

The fourth proportional to 73,041.90, 109,562.86 and 66,568.38 is: 99,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,041.90 : 109,562.86 = 66,568.38 : x
  2. Step 2: Convert to fraction form
    73,041.90/109,562.86 = 66,568.38/x
  3. Step 3: Cross multiply
    73,041.90x = 109,562.86 × 66,568.38
  4. Step 4: Simplify right side
    73,041.90x = 7,293,422,098.37
  5. Step 5: Solve for x
    x = 7,293,422,098.37/73,041.90
  6. Step 6: Final answer
    x = 99,852.58

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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.