Home / 104,282.75-144,029-70,690.43

Finding the Fourth Proportional to 104,282.75, 144,029 and 70,690.43

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Solution

The fourth proportional to 104,282.75, 144,029 and 70,690.43 is: 97,633.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,282.75 : 144,029 = 70,690.43 : x
  2. Step 2: Convert to fraction form
    104,282.75/144,029 = 70,690.43/x
  3. Step 3: Cross multiply
    104,282.75x = 144,029 × 70,690.43
  4. Step 4: Simplify right side
    104,282.75x = 10,181,471,942.47
  5. Step 5: Solve for x
    x = 10,181,471,942.47/104,282.75
  6. Step 6: Final answer
    x = 97,633.33

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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.