Home / 104,621.78-144,375.06-59,303.96

Finding the Fourth Proportional to 104,621.78, 144,375.06 and 59,303.96

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Solution

The fourth proportional to 104,621.78, 144,375.06 and 59,303.96 is: 81,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,621.78 : 144,375.06 = 59,303.96 : x
  2. Step 2: Convert to fraction form
    104,621.78/144,375.06 = 59,303.96/x
  3. Step 3: Cross multiply
    104,621.78x = 144,375.06 × 59,303.96
  4. Step 4: Simplify right side
    104,621.78x = 8,562,012,783.24
  5. Step 5: Solve for x
    x = 8,562,012,783.24/104,621.78
  6. Step 6: Final answer
    x = 81,837.77

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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.