Home / 74,627.95-102,811.41-51,927.90

Finding the Fourth Proportional to 74,627.95, 102,811.41 and 51,927.90

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Solution

The fourth proportional to 74,627.95, 102,811.41 and 51,927.90 is: 71,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627.95 : 102,811.41 = 51,927.90 : x
  2. Step 2: Convert to fraction form
    74,627.95/102,811.41 = 51,927.90/x
  3. Step 3: Cross multiply
    74,627.95x = 102,811.41 × 51,927.90
  4. Step 4: Simplify right side
    74,627.95x = 5,338,780,103.28
  5. Step 5: Solve for x
    x = 5,338,780,103.28/74,627.95
  6. Step 6: Final answer
    x = 71,538.62

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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.