Home / 212,391.34-318,586.61-62,736.71

Finding the Fourth Proportional to 212,391.34, 318,586.61 and 62,736.71

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Solution

The fourth proportional to 212,391.34, 318,586.61 and 62,736.71 is: 94,104.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,391.34 : 318,586.61 = 62,736.71 : x
  2. Step 2: Convert to fraction form
    212,391.34/318,586.61 = 62,736.71/x
  3. Step 3: Cross multiply
    212,391.34x = 318,586.61 × 62,736.71
  4. Step 4: Simplify right side
    212,391.34x = 19,987,075,761.45
  5. Step 5: Solve for x
    x = 19,987,075,761.45/212,391.34
  6. Step 6: Final answer
    x = 94,104.95

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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.