Home / 53,895.75-74,376.14-31,539.75

Finding the Fourth Proportional to 53,895.75, 74,376.14 and 31,539.75

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Solution

The fourth proportional to 53,895.75, 74,376.14 and 31,539.75 is: 43,524.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.75 : 74,376.14 = 31,539.75 : x
  2. Step 2: Convert to fraction form
    53,895.75/74,376.14 = 31,539.75/x
  3. Step 3: Cross multiply
    53,895.75x = 74,376.14 × 31,539.75
  4. Step 4: Simplify right side
    53,895.75x = 2,345,804,703.87
  5. Step 5: Solve for x
    x = 2,345,804,703.87/53,895.75
  6. Step 6: Final answer
    x = 43,524.86

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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.