Home / 103,457.85-142,767.23-60,441.33

Finding the Fourth Proportional to 103,457.85, 142,767.23 and 60,441.33

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Solution

The fourth proportional to 103,457.85, 142,767.23 and 60,441.33 is: 83,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,457.85 : 142,767.23 = 60,441.33 : x
  2. Step 2: Convert to fraction form
    103,457.85/142,767.23 = 60,441.33/x
  3. Step 3: Cross multiply
    103,457.85x = 142,767.23 × 60,441.33
  4. Step 4: Simplify right side
    103,457.85x = 8,629,040,396.68
  5. Step 5: Solve for x
    x = 8,629,040,396.68/103,457.85
  6. Step 6: Final answer
    x = 83,406.34

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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.