Home / 74,747.36-103,093-47,892.36

Finding the Fourth Proportional to 74,747.36, 103,093 and 47,892.36

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Solution

The fourth proportional to 74,747.36, 103,093 and 47,892.36 is: 66,054.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,747.36 : 103,093 = 47,892.36 : x
  2. Step 2: Convert to fraction form
    74,747.36/103,093 = 47,892.36/x
  3. Step 3: Cross multiply
    74,747.36x = 103,093 × 47,892.36
  4. Step 4: Simplify right side
    74,747.36x = 4,937,367,069.48
  5. Step 5: Solve for x
    x = 4,937,367,069.48/74,747.36
  6. Step 6: Final answer
    x = 66,054.07

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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.