Home / 79,594.41-109,840.55-43,787.15

Finding the Fourth Proportional to 79,594.41, 109,840.55 and 43,787.15

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Solution

The fourth proportional to 79,594.41, 109,840.55 and 43,787.15 is: 60,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,594.41 : 109,840.55 = 43,787.15 : x
  2. Step 2: Convert to fraction form
    79,594.41/109,840.55 = 43,787.15/x
  3. Step 3: Cross multiply
    79,594.41x = 109,840.55 × 43,787.15
  4. Step 4: Simplify right side
    79,594.41x = 4,809,603,870.79
  5. Step 5: Solve for x
    x = 4,809,603,870.79/79,594.41
  6. Step 6: Final answer
    x = 60,426.40

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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.