Home / 77,965.61-107,592.01-43,974.37

Finding the Fourth Proportional to 77,965.61, 107,592.01 and 43,974.37

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Solution

The fourth proportional to 77,965.61, 107,592.01 and 43,974.37 is: 60,684.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,965.61 : 107,592.01 = 43,974.37 : x
  2. Step 2: Convert to fraction form
    77,965.61/107,592.01 = 43,974.37/x
  3. Step 3: Cross multiply
    77,965.61x = 107,592.01 × 43,974.37
  4. Step 4: Simplify right side
    77,965.61x = 4,731,291,279.99
  5. Step 5: Solve for x
    x = 4,731,291,279.99/77,965.61
  6. Step 6: Final answer
    x = 60,684.34

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1.5x scale

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.