Home / 74,573.90-102,914.14-40,584.58

Finding the Fourth Proportional to 74,573.90, 102,914.14 and 40,584.58

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Solution

The fourth proportional to 74,573.90, 102,914.14 and 40,584.58 is: 56,007.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,573.90 : 102,914.14 = 40,584.58 : x
  2. Step 2: Convert to fraction form
    74,573.90/102,914.14 = 40,584.58/x
  3. Step 3: Cross multiply
    74,573.90x = 102,914.14 × 40,584.58
  4. Step 4: Simplify right side
    74,573.90x = 4,176,727,147.96
  5. Step 5: Solve for x
    x = 4,176,727,147.96/74,573.90
  6. Step 6: Final answer
    x = 56,007.89

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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.