Home / 53,891.40-74,364.45-31,237.50

Finding the Fourth Proportional to 53,891.40, 74,364.45 and 31,237.50

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Solution

The fourth proportional to 53,891.40, 74,364.45 and 31,237.50 is: 43,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,891.40 : 74,364.45 = 31,237.50 : x
  2. Step 2: Convert to fraction form
    53,891.40/74,364.45 = 31,237.50/x
  3. Step 3: Cross multiply
    53,891.40x = 74,364.45 × 31,237.50
  4. Step 4: Simplify right side
    53,891.40x = 2,322,959,506.88
  5. Step 5: Solve for x
    x = 2,322,959,506.88/53,891.40
  6. Step 6: Final answer
    x = 43,104.46

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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.