Home / 74,327.13-102,576.48-42,061.75

Finding the Fourth Proportional to 74,327.13, 102,576.48 and 42,061.75

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Solution

The fourth proportional to 74,327.13, 102,576.48 and 42,061.75 is: 58,048.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,327.13 : 102,576.48 = 42,061.75 : x
  2. Step 2: Convert to fraction form
    74,327.13/102,576.48 = 42,061.75/x
  3. Step 3: Cross multiply
    74,327.13x = 102,576.48 × 42,061.75
  4. Step 4: Simplify right side
    74,327.13x = 4,314,546,257.64
  5. Step 5: Solve for x
    x = 4,314,546,257.64/74,327.13
  6. Step 6: Final answer
    x = 58,048.07

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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.