Home / 63,272.51-94,918.48-21,144.81

Finding the Fourth Proportional to 63,272.51, 94,918.48 and 21,144.81

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Solution

The fourth proportional to 63,272.51, 94,918.48 and 21,144.81 is: 31,720.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,272.51 : 94,918.48 = 21,144.81 : x
  2. Step 2: Convert to fraction form
    63,272.51/94,918.48 = 21,144.81/x
  3. Step 3: Cross multiply
    63,272.51x = 94,918.48 × 21,144.81
  4. Step 4: Simplify right side
    63,272.51x = 2,007,033,225.09
  5. Step 5: Solve for x
    x = 2,007,033,225.09/63,272.51
  6. Step 6: Final answer
    x = 31,720.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.