Home / 74,056.06-102,196.94-40,064.44

Finding the Fourth Proportional to 74,056.06, 102,196.94 and 40,064.44

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Solution

The fourth proportional to 74,056.06, 102,196.94 and 40,064.44 is: 55,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,056.06 : 102,196.94 = 40,064.44 : x
  2. Step 2: Convert to fraction form
    74,056.06/102,196.94 = 40,064.44/x
  3. Step 3: Cross multiply
    74,056.06x = 102,196.94 × 40,064.44
  4. Step 4: Simplify right side
    74,056.06x = 4,094,463,170.81
  5. Step 5: Solve for x
    x = 4,094,463,170.81/74,056.06
  6. Step 6: Final answer
    x = 55,288.70

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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.