Home / 74,680.36-112,020.54-22,085.75

Finding the Fourth Proportional to 74,680.36, 112,020.54 and 22,085.75

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Solution

The fourth proportional to 74,680.36, 112,020.54 and 22,085.75 is: 33,128.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,680.36 : 112,020.54 = 22,085.75 : x
  2. Step 2: Convert to fraction form
    74,680.36/112,020.54 = 22,085.75/x
  3. Step 3: Cross multiply
    74,680.36x = 112,020.54 × 22,085.75
  4. Step 4: Simplify right side
    74,680.36x = 2,474,056,970.77
  5. Step 5: Solve for x
    x = 2,474,056,970.77/74,680.36
  6. Step 6: Final answer
    x = 33,128.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.