Home / 104,878.44-144,727.80-57,132.16

Finding the Fourth Proportional to 104,878.44, 144,727.80 and 57,132.16

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Solution

The fourth proportional to 104,878.44, 144,727.80 and 57,132.16 is: 78,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,878.44 : 144,727.80 = 57,132.16 : x
  2. Step 2: Convert to fraction form
    104,878.44/144,727.80 = 57,132.16/x
  3. Step 3: Cross multiply
    104,878.44x = 144,727.80 × 57,132.16
  4. Step 4: Simplify right side
    104,878.44x = 8,268,611,826.05
  5. Step 5: Solve for x
    x = 8,268,611,826.05/104,878.44
  6. Step 6: Final answer
    x = 78,839.96

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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.