Home / 74,074.44-102,223.17-42,243.06

Finding the Fourth Proportional to 74,074.44, 102,223.17 and 42,243.06

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Solution

The fourth proportional to 74,074.44, 102,223.17 and 42,243.06 is: 58,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,074.44 : 102,223.17 = 42,243.06 : x
  2. Step 2: Convert to fraction form
    74,074.44/102,223.17 = 42,243.06/x
  3. Step 3: Cross multiply
    74,074.44x = 102,223.17 × 42,243.06
  4. Step 4: Simplify right side
    74,074.44x = 4,318,219,503.70
  5. Step 5: Solve for x
    x = 4,318,219,503.70/74,074.44
  6. Step 6: Final answer
    x = 58,295.68

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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.