Home / 74,576.44-102,892.32-42,305.74

Finding the Fourth Proportional to 74,576.44, 102,892.32 and 42,305.74

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Solution

The fourth proportional to 74,576.44, 102,892.32 and 42,305.74 is: 58,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,576.44 : 102,892.32 = 42,305.74 : x
  2. Step 2: Convert to fraction form
    74,576.44/102,892.32 = 42,305.74/x
  3. Step 3: Cross multiply
    74,576.44x = 102,892.32 × 42,305.74
  4. Step 4: Simplify right side
    74,576.44x = 4,352,935,737.92
  5. Step 5: Solve for x
    x = 4,352,935,737.92/74,576.44
  6. Step 6: Final answer
    x = 58,368.78

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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.