Home / 104,053.33-143,558.45-67,738.20

Finding the Fourth Proportional to 104,053.33, 143,558.45 and 67,738.20

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Solution

The fourth proportional to 104,053.33, 143,558.45 and 67,738.20 is: 93,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,053.33 : 143,558.45 = 67,738.20 : x
  2. Step 2: Convert to fraction form
    104,053.33/143,558.45 = 67,738.20/x
  3. Step 3: Cross multiply
    104,053.33x = 143,558.45 × 67,738.20
  4. Step 4: Simplify right side
    104,053.33x = 9,724,390,997.79
  5. Step 5: Solve for x
    x = 9,724,390,997.79/104,053.33
  6. Step 6: Final answer
    x = 93,455.84

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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.