Home / 103,858.24-143,327.16-63,571.26

Finding the Fourth Proportional to 103,858.24, 143,327.16 and 63,571.26

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Solution

The fourth proportional to 103,858.24, 143,327.16 and 63,571.26 is: 87,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,858.24 : 143,327.16 = 63,571.26 : x
  2. Step 2: Convert to fraction form
    103,858.24/143,327.16 = 63,571.26/x
  3. Step 3: Cross multiply
    103,858.24x = 143,327.16 × 63,571.26
  4. Step 4: Simplify right side
    103,858.24x = 9,111,488,153.42
  5. Step 5: Solve for x
    x = 9,111,488,153.42/103,858.24
  6. Step 6: Final answer
    x = 87,730.05

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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.