Home / 74,320.38-102,558.69-42,056.46

Finding the Fourth Proportional to 74,320.38, 102,558.69 and 42,056.46

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Solution

The fourth proportional to 74,320.38, 102,558.69 and 42,056.46 is: 58,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,320.38 : 102,558.69 = 42,056.46 : x
  2. Step 2: Convert to fraction form
    74,320.38/102,558.69 = 42,056.46/x
  3. Step 3: Cross multiply
    74,320.38x = 102,558.69 × 42,056.46
  4. Step 4: Simplify right side
    74,320.38x = 4,313,255,443.64
  5. Step 5: Solve for x
    x = 4,313,255,443.64/74,320.38
  6. Step 6: Final answer
    x = 58,035.97

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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.