Home / 73,502.10-110,386.80-43,977.60

Finding the Fourth Proportional to 73,502.10, 110,386.80 and 43,977.60

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Solution

The fourth proportional to 73,502.10, 110,386.80 and 43,977.60 is: 66,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,502.10 : 110,386.80 = 43,977.60 : x
  2. Step 2: Convert to fraction form
    73,502.10/110,386.80 = 43,977.60/x
  3. Step 3: Cross multiply
    73,502.10x = 110,386.80 × 43,977.60
  4. Step 4: Simplify right side
    73,502.10x = 4,854,546,535.68
  5. Step 5: Solve for x
    x = 4,854,546,535.68/73,502.10
  6. Step 6: Final answer
    x = 66,046.37

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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.