Home / 42,762.25-59,028.36-38,278.09

Finding the Fourth Proportional to 42,762.25, 59,028.36 and 38,278.09

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Solution

The fourth proportional to 42,762.25, 59,028.36 and 38,278.09 is: 52,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,762.25 : 59,028.36 = 38,278.09 : x
  2. Step 2: Convert to fraction form
    42,762.25/59,028.36 = 38,278.09/x
  3. Step 3: Cross multiply
    42,762.25x = 59,028.36 × 38,278.09
  4. Step 4: Simplify right side
    42,762.25x = 2,259,492,876.63
  5. Step 5: Solve for x
    x = 2,259,492,876.63/42,762.25
  6. Step 6: Final answer
    x = 52,838.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.