Home / 74,099.41-102,256.23-42,268.84

Finding the Fourth Proportional to 74,099.41, 102,256.23 and 42,268.84

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Solution

The fourth proportional to 74,099.41, 102,256.23 and 42,268.84 is: 58,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,099.41 : 102,256.23 = 42,268.84 : x
  2. Step 2: Convert to fraction form
    74,099.41/102,256.23 = 42,268.84/x
  3. Step 3: Cross multiply
    74,099.41x = 102,256.23 × 42,268.84
  4. Step 4: Simplify right side
    74,099.41x = 4,322,252,224.87
  5. Step 5: Solve for x
    x = 4,322,252,224.87/74,099.41
  6. Step 6: Final answer
    x = 58,330.45

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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.