Home / 104,415.24-143,984.10-61,965.57

Finding the Fourth Proportional to 104,415.24, 143,984.10 and 61,965.57

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Solution

The fourth proportional to 104,415.24, 143,984.10 and 61,965.57 is: 85,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,415.24 : 143,984.10 = 61,965.57 : x
  2. Step 2: Convert to fraction form
    104,415.24/143,984.10 = 61,965.57/x
  3. Step 3: Cross multiply
    104,415.24x = 143,984.10 × 61,965.57
  4. Step 4: Simplify right side
    104,415.24x = 8,922,056,827.44
  5. Step 5: Solve for x
    x = 8,922,056,827.44/104,415.24
  6. Step 6: Final answer
    x = 85,447.84

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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.