Home / 74,918.52-103,390.70-43,087.44

Finding the Fourth Proportional to 74,918.52, 103,390.70 and 43,087.44

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Solution

The fourth proportional to 74,918.52, 103,390.70 and 43,087.44 is: 59,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,918.52 : 103,390.70 = 43,087.44 : x
  2. Step 2: Convert to fraction form
    74,918.52/103,390.70 = 43,087.44/x
  3. Step 3: Cross multiply
    74,918.52x = 103,390.70 × 43,087.44
  4. Step 4: Simplify right side
    74,918.52x = 4,454,840,582.81
  5. Step 5: Solve for x
    x = 4,454,840,582.81/74,918.52
  6. Step 6: Final answer
    x = 59,462.47

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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.