Home / 85,188.89-117,559.83-46,947.45

Finding the Fourth Proportional to 85,188.89, 117,559.83 and 46,947.45

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Solution

The fourth proportional to 85,188.89, 117,559.83 and 46,947.45 is: 64,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,188.89 : 117,559.83 = 46,947.45 : x
  2. Step 2: Convert to fraction form
    85,188.89/117,559.83 = 46,947.45/x
  3. Step 3: Cross multiply
    85,188.89x = 117,559.83 × 46,947.45
  4. Step 4: Simplify right side
    85,188.89x = 5,519,134,064.52
  5. Step 5: Solve for x
    x = 5,519,134,064.52/85,188.89
  6. Step 6: Final answer
    x = 64,787.02

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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.