Home / 74,918.69-103,390.95-43,087.62

Finding the Fourth Proportional to 74,918.69, 103,390.95 and 43,087.62

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Solution

The fourth proportional to 74,918.69, 103,390.95 and 43,087.62 is: 59,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.69 : 103,390.95 = 43,087.62 : x
  2. Step 2: Convert to fraction form
    74,918.69/103,390.95 = 43,087.62/x
  3. Step 3: Cross multiply
    74,918.69x = 103,390.95 × 43,087.62
  4. Step 4: Simplify right side
    74,918.69x = 4,454,869,749.60
  5. Step 5: Solve for x
    x = 4,454,869,749.60/74,918.69
  6. Step 6: Final answer
    x = 59,462.73

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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.