Home / 75,824.25-104,637.47-42,290.25

Finding the Fourth Proportional to 75,824.25, 104,637.47 and 42,290.25

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Solution

The fourth proportional to 75,824.25, 104,637.47 and 42,290.25 is: 58,360.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,824.25 : 104,637.47 = 42,290.25 : x
  2. Step 2: Convert to fraction form
    75,824.25/104,637.47 = 42,290.25/x
  3. Step 3: Cross multiply
    75,824.25x = 104,637.47 × 42,290.25
  4. Step 4: Simplify right side
    75,824.25x = 4,425,144,554.22
  5. Step 5: Solve for x
    x = 4,425,144,554.22/75,824.25
  6. Step 6: Final answer
    x = 58,360.55

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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.