Home / 83,581.44-124,503.47-79,054.26

Finding the Fourth Proportional to 83,581.44, 124,503.47 and 79,054.26

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Solution

The fourth proportional to 83,581.44, 124,503.47 and 79,054.26 is: 117,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,581.44 : 124,503.47 = 79,054.26 : x
  2. Step 2: Convert to fraction form
    83,581.44/124,503.47 = 79,054.26/x
  3. Step 3: Cross multiply
    83,581.44x = 124,503.47 × 79,054.26
  4. Step 4: Simplify right side
    83,581.44x = 9,842,529,293.01
  5. Step 5: Solve for x
    x = 9,842,529,293.01/83,581.44
  6. Step 6: Final answer
    x = 117,759.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.