Home / 74,330.13-102,580.62-42,064.75

Finding the Fourth Proportional to 74,330.13, 102,580.62 and 42,064.75

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Solution

The fourth proportional to 74,330.13, 102,580.62 and 42,064.75 is: 58,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,330.13 : 102,580.62 = 42,064.75 : x
  2. Step 2: Convert to fraction form
    74,330.13/102,580.62 = 42,064.75/x
  3. Step 3: Cross multiply
    74,330.13x = 102,580.62 × 42,064.75
  4. Step 4: Simplify right side
    74,330.13x = 4,315,028,135.15
  5. Step 5: Solve for x
    x = 4,315,028,135.15/74,330.13
  6. Step 6: Final answer
    x = 58,052.21

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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.