Home / 108,015.89-149,064.99-60,268.22

Finding the Fourth Proportional to 108,015.89, 149,064.99 and 60,268.22

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Solution

The fourth proportional to 108,015.89, 149,064.99 and 60,268.22 is: 83,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,015.89 : 149,064.99 = 60,268.22 : x
  2. Step 2: Convert to fraction form
    108,015.89/149,064.99 = 60,268.22/x
  3. Step 3: Cross multiply
    108,015.89x = 149,064.99 × 60,268.22
  4. Step 4: Simplify right side
    108,015.89x = 8,983,880,866.29
  5. Step 5: Solve for x
    x = 8,983,880,866.29/108,015.89
  6. Step 6: Final answer
    x = 83,171.85

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1.5x scale

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.