Home / 83,347.24-115,019.91-47,539.06

Finding the Fourth Proportional to 83,347.24, 115,019.91 and 47,539.06

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Solution

The fourth proportional to 83,347.24, 115,019.91 and 47,539.06 is: 65,604.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.24 : 115,019.91 = 47,539.06 : x
  2. Step 2: Convert to fraction form
    83,347.24/115,019.91 = 47,539.06/x
  3. Step 3: Cross multiply
    83,347.24x = 115,019.91 × 47,539.06
  4. Step 4: Simplify right side
    83,347.24x = 5,467,938,402.68
  5. Step 5: Solve for x
    x = 5,467,938,402.68/83,347.24
  6. Step 6: Final answer
    x = 65,604.31

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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.