Home / 74,584.07-102,900.04-42,314.89

Finding the Fourth Proportional to 74,584.07, 102,900.04 and 42,314.89

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Solution

The fourth proportional to 74,584.07, 102,900.04 and 42,314.89 is: 58,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,584.07 : 102,900.04 = 42,314.89 : x
  2. Step 2: Convert to fraction form
    74,584.07/102,900.04 = 42,314.89/x
  3. Step 3: Cross multiply
    74,584.07x = 102,900.04 × 42,314.89
  4. Step 4: Simplify right side
    74,584.07x = 4,354,203,873.60
  5. Step 5: Solve for x
    x = 4,354,203,873.60/74,584.07
  6. Step 6: Final answer
    x = 58,379.81

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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.