Home / 53,947.16-74,440.92-31,281.44

Finding the Fourth Proportional to 53,947.16, 74,440.92 and 31,281.44

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Solution

The fourth proportional to 53,947.16, 74,440.92 and 31,281.44 is: 43,164.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,947.16 : 74,440.92 = 31,281.44 : x
  2. Step 2: Convert to fraction form
    53,947.16/74,440.92 = 31,281.44/x
  3. Step 3: Cross multiply
    53,947.16x = 74,440.92 × 31,281.44
  4. Step 4: Simplify right side
    53,947.16x = 2,328,619,172.52
  5. Step 5: Solve for x
    x = 2,328,619,172.52/53,947.16
  6. Step 6: Final answer
    x = 43,164.81

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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.