Home / 77,847.77-107,407.70-43,844.36

Finding the Fourth Proportional to 77,847.77, 107,407.70 and 43,844.36

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Solution

The fourth proportional to 77,847.77, 107,407.70 and 43,844.36 is: 60,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,847.77 : 107,407.70 = 43,844.36 : x
  2. Step 2: Convert to fraction form
    77,847.77/107,407.70 = 43,844.36/x
  3. Step 3: Cross multiply
    77,847.77x = 107,407.70 × 43,844.36
  4. Step 4: Simplify right side
    77,847.77x = 4,709,221,109.31
  5. Step 5: Solve for x
    x = 4,709,221,109.31/77,847.77
  6. Step 6: Final answer
    x = 60,492.70

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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.