Home / 75,772.06-104,522.61-47,428.54

Finding the Fourth Proportional to 75,772.06, 104,522.61 and 47,428.54

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Solution

The fourth proportional to 75,772.06, 104,522.61 and 47,428.54 is: 65,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772.06 : 104,522.61 = 47,428.54 : x
  2. Step 2: Convert to fraction form
    75,772.06/104,522.61 = 47,428.54/x
  3. Step 3: Cross multiply
    75,772.06x = 104,522.61 × 47,428.54
  4. Step 4: Simplify right side
    75,772.06x = 4,957,354,789.29
  5. Step 5: Solve for x
    x = 4,957,354,789.29/75,772.06
  6. Step 6: Final answer
    x = 65,424.57

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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.