Home / 42,629.49-63,975.56-34,407.99

Finding the Fourth Proportional to 42,629.49, 63,975.56 and 34,407.99

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Solution

The fourth proportional to 42,629.49, 63,975.56 and 34,407.99 is: 51,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.49 : 63,975.56 = 34,407.99 : x
  2. Step 2: Convert to fraction form
    42,629.49/63,975.56 = 34,407.99/x
  3. Step 3: Cross multiply
    42,629.49x = 63,975.56 × 34,407.99
  4. Step 4: Simplify right side
    42,629.49x = 2,201,270,256.68
  5. Step 5: Solve for x
    x = 2,201,270,256.68/42,629.49
  6. Step 6: Final answer
    x = 51,637.26

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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.