Home / 74,416.70-111,663.32-41,130.56

Finding the Fourth Proportional to 74,416.70, 111,663.32 and 41,130.56

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Solution

The fourth proportional to 74,416.70, 111,663.32 and 41,130.56 is: 61,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,416.70 : 111,663.32 = 41,130.56 : x
  2. Step 2: Convert to fraction form
    74,416.70/111,663.32 = 41,130.56/x
  3. Step 3: Cross multiply
    74,416.70x = 111,663.32 × 41,130.56
  4. Step 4: Simplify right side
    74,416.70x = 4,592,774,883.06
  5. Step 5: Solve for x
    x = 4,592,774,883.06/74,416.70
  6. Step 6: Final answer
    x = 61,716.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.