Home / 71,028.68-106,441.48-52,160.72

Finding the Fourth Proportional to 71,028.68, 106,441.48 and 52,160.72

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Solution

The fourth proportional to 71,028.68, 106,441.48 and 52,160.72 is: 78,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.68 : 106,441.48 = 52,160.72 : x
  2. Step 2: Convert to fraction form
    71,028.68/106,441.48 = 52,160.72/x
  3. Step 3: Cross multiply
    71,028.68x = 106,441.48 × 52,160.72
  4. Step 4: Simplify right side
    71,028.68x = 5,552,064,234.67
  5. Step 5: Solve for x
    x = 5,552,064,234.67/71,028.68
  6. Step 6: Final answer
    x = 78,166.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.