Home / 67,028.48-100,352.32-51,215.04

Finding the Fourth Proportional to 67,028.48, 100,352.32 and 51,215.04

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Solution

The fourth proportional to 67,028.48, 100,352.32 and 51,215.04 is: 76,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,028.48 : 100,352.32 = 51,215.04 : x
  2. Step 2: Convert to fraction form
    67,028.48/100,352.32 = 51,215.04/x
  3. Step 3: Cross multiply
    67,028.48x = 100,352.32 × 51,215.04
  4. Step 4: Simplify right side
    67,028.48x = 5,139,548,082.89
  5. Step 5: Solve for x
    x = 5,139,548,082.89/67,028.48
  6. Step 6: Final answer
    x = 76,677.08

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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.