Home / 108,899.36-150,297.40-66,482.56

Finding the Fourth Proportional to 108,899.36, 150,297.40 and 66,482.56

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Solution

The fourth proportional to 108,899.36, 150,297.40 and 66,482.56 is: 91,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,899.36 : 150,297.40 = 66,482.56 : x
  2. Step 2: Convert to fraction form
    108,899.36/150,297.40 = 66,482.56/x
  3. Step 3: Cross multiply
    108,899.36x = 150,297.40 × 66,482.56
  4. Step 4: Simplify right side
    108,899.36x = 9,992,155,913.34
  5. Step 5: Solve for x
    x = 9,992,155,913.34/108,899.36
  6. Step 6: Final answer
    x = 91,755.87

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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.