Home / 53,894.16-74,374.02-31,237.56

Finding the Fourth Proportional to 53,894.16, 74,374.02 and 31,237.56

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Solution

The fourth proportional to 53,894.16, 74,374.02 and 31,237.56 is: 43,107.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,894.16 : 74,374.02 = 31,237.56 : x
  2. Step 2: Convert to fraction form
    53,894.16/74,374.02 = 31,237.56/x
  3. Step 3: Cross multiply
    53,894.16x = 74,374.02 × 31,237.56
  4. Step 4: Simplify right side
    53,894.16x = 2,323,262,912.19
  5. Step 5: Solve for x
    x = 2,323,262,912.19/53,894.16
  6. Step 6: Final answer
    x = 43,107.88

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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.