Home / 212,425.06-318,606.83-62,657.95

Finding the Fourth Proportional to 212,425.06, 318,606.83 and 62,657.95

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Solution

The fourth proportional to 212,425.06, 318,606.83 and 62,657.95 is: 93,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,425.06 : 318,606.83 = 62,657.95 : x
  2. Step 2: Convert to fraction form
    212,425.06/318,606.83 = 62,657.95/x
  3. Step 3: Cross multiply
    212,425.06x = 318,606.83 × 62,657.95
  4. Step 4: Simplify right side
    212,425.06x = 19,963,250,823.80
  5. Step 5: Solve for x
    x = 19,963,250,823.80/212,425.06
  6. Step 6: Final answer
    x = 93,977.85

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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.