Home / 53,885.02-74,361.30-31,237.17

Finding the Fourth Proportional to 53,885.02, 74,361.30 and 31,237.17

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Solution

The fourth proportional to 53,885.02, 74,361.30 and 31,237.17 is: 43,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,885.02 : 74,361.30 = 31,237.17 : x
  2. Step 2: Convert to fraction form
    53,885.02/74,361.30 = 31,237.17/x
  3. Step 3: Cross multiply
    53,885.02x = 74,361.30 × 31,237.17
  4. Step 4: Simplify right side
    53,885.02x = 2,322,836,569.52
  5. Step 5: Solve for x
    x = 2,322,836,569.52/53,885.02
  6. Step 6: Final answer
    x = 43,107.28

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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.