Home / 103,840.24-143,299.41-56,093.58

Finding the Fourth Proportional to 103,840.24, 143,299.41 and 56,093.58

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Solution

The fourth proportional to 103,840.24, 143,299.41 and 56,093.58 is: 77,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,840.24 : 143,299.41 = 56,093.58 : x
  2. Step 2: Convert to fraction form
    103,840.24/143,299.41 = 56,093.58/x
  3. Step 3: Cross multiply
    103,840.24x = 143,299.41 × 56,093.58
  4. Step 4: Simplify right side
    103,840.24x = 8,038,176,918.79
  5. Step 5: Solve for x
    x = 8,038,176,918.79/103,840.24
  6. Step 6: Final answer
    x = 77,409.07

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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.