Home / 74,272.23-102,463.50-49,713.60

Finding the Fourth Proportional to 74,272.23, 102,463.50 and 49,713.60

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Solution

The fourth proportional to 74,272.23, 102,463.50 and 49,713.60 is: 68,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,272.23 : 102,463.50 = 49,713.60 : x
  2. Step 2: Convert to fraction form
    74,272.23/102,463.50 = 49,713.60/x
  3. Step 3: Cross multiply
    74,272.23x = 102,463.50 × 49,713.60
  4. Step 4: Simplify right side
    74,272.23x = 5,093,829,453.60
  5. Step 5: Solve for x
    x = 5,093,829,453.60/74,272.23
  6. Step 6: Final answer
    x = 68,583.23

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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.