Home / 74,306.83-102,578.70-47,096.50

Finding the Fourth Proportional to 74,306.83, 102,578.70 and 47,096.50

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Solution

The fourth proportional to 74,306.83, 102,578.70 and 47,096.50 is: 65,015.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,306.83 : 102,578.70 = 47,096.50 : x
  2. Step 2: Convert to fraction form
    74,306.83/102,578.70 = 47,096.50/x
  3. Step 3: Cross multiply
    74,306.83x = 102,578.70 × 47,096.50
  4. Step 4: Simplify right side
    74,306.83x = 4,831,097,744.55
  5. Step 5: Solve for x
    x = 4,831,097,744.55/74,306.83
  6. Step 6: Final answer
    x = 65,015.53

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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.