Home / 74,124.72-102,268.44-42,294.96

Finding the Fourth Proportional to 74,124.72, 102,268.44 and 42,294.96

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Solution

The fourth proportional to 74,124.72, 102,268.44 and 42,294.96 is: 58,353.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,124.72 : 102,268.44 = 42,294.96 : x
  2. Step 2: Convert to fraction form
    74,124.72/102,268.44 = 42,294.96/x
  3. Step 3: Cross multiply
    74,124.72x = 102,268.44 × 42,294.96
  4. Step 4: Simplify right side
    74,124.72x = 4,325,439,579.06
  5. Step 5: Solve for x
    x = 4,325,439,579.06/74,124.72
  6. Step 6: Final answer
    x = 58,353.54

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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.