Home / 74,601.07-102,949.18-40,611.45

Finding the Fourth Proportional to 74,601.07, 102,949.18 and 40,611.45

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Solution

The fourth proportional to 74,601.07, 102,949.18 and 40,611.45 is: 56,043.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,601.07 : 102,949.18 = 40,611.45 : x
  2. Step 2: Convert to fraction form
    74,601.07/102,949.18 = 40,611.45/x
  3. Step 3: Cross multiply
    74,601.07x = 102,949.18 × 40,611.45
  4. Step 4: Simplify right side
    74,601.07x = 4,180,915,476.11
  5. Step 5: Solve for x
    x = 4,180,915,476.11/74,601.07
  6. Step 6: Final answer
    x = 56,043.64

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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.