Home / 77,837.45-107,409.29-43,835.06

Finding the Fourth Proportional to 77,837.45, 107,409.29 and 43,835.06

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Solution

The fourth proportional to 77,837.45, 107,409.29 and 43,835.06 is: 60,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,837.45 : 107,409.29 = 43,835.06 : x
  2. Step 2: Convert to fraction form
    77,837.45/107,409.29 = 43,835.06/x
  3. Step 3: Cross multiply
    77,837.45x = 107,409.29 × 43,835.06
  4. Step 4: Simplify right side
    77,837.45x = 4,708,291,915.49
  5. Step 5: Solve for x
    x = 4,708,291,915.49/77,837.45
  6. Step 6: Final answer
    x = 60,488.78

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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.