Home / 65,194.81-97,787.36-20,826.25

Finding the Fourth Proportional to 65,194.81, 97,787.36 and 20,826.25

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Solution

The fourth proportional to 65,194.81, 97,787.36 and 20,826.25 is: 31,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,194.81 : 97,787.36 = 20,826.25 : x
  2. Step 2: Convert to fraction form
    65,194.81/97,787.36 = 20,826.25/x
  3. Step 3: Cross multiply
    65,194.81x = 97,787.36 × 20,826.25
  4. Step 4: Simplify right side
    65,194.81x = 2,036,543,902.07
  5. Step 5: Solve for x
    x = 2,036,543,902.07/65,194.81
  6. Step 6: Final answer
    x = 31,237.82

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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.