Home / 108,867.12-150,232.77-61,122.48

Finding the Fourth Proportional to 108,867.12, 150,232.77 and 61,122.48

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Solution

The fourth proportional to 108,867.12, 150,232.77 and 61,122.48 is: 84,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867.12 : 150,232.77 = 61,122.48 : x
  2. Step 2: Convert to fraction form
    108,867.12/150,232.77 = 61,122.48/x
  3. Step 3: Cross multiply
    108,867.12x = 150,232.77 × 61,122.48
  4. Step 4: Simplify right side
    108,867.12x = 9,182,599,479.67
  5. Step 5: Solve for x
    x = 9,182,599,479.67/108,867.12
  6. Step 6: Final answer
    x = 84,346.86

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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.