Home / 74,627.06-102,982.75-40,635

Finding the Fourth Proportional to 74,627.06, 102,982.75 and 40,635

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Solution

The fourth proportional to 74,627.06, 102,982.75 and 40,635 is: 56,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,627.06 : 102,982.75 = 40,635 : x
  2. Step 2: Convert to fraction form
    74,627.06/102,982.75 = 40,635/x
  3. Step 3: Cross multiply
    74,627.06x = 102,982.75 × 40,635
  4. Step 4: Simplify right side
    74,627.06x = 4,184,703,944.66
  5. Step 5: Solve for x
    x = 4,184,703,944.66/74,627.06
  6. Step 6: Final answer
    x = 56,074.89

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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.