Home / 104,122.32-143,687.88-56,374.44

Finding the Fourth Proportional to 104,122.32, 143,687.88 and 56,374.44

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Solution

The fourth proportional to 104,122.32, 143,687.88 and 56,374.44 is: 77,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,122.32 : 143,687.88 = 56,374.44 : x
  2. Step 2: Convert to fraction form
    104,122.32/143,687.88 = 56,374.44/x
  3. Step 3: Cross multiply
    104,122.32x = 143,687.88 × 56,374.44
  4. Step 4: Simplify right side
    104,122.32x = 8,100,323,769.79
  5. Step 5: Solve for x
    x = 8,100,323,769.79/104,122.32
  6. Step 6: Final answer
    x = 77,796.23

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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.