Home / 104,533.36-144,257.58-56,787.64

Finding the Fourth Proportional to 104,533.36, 144,257.58 and 56,787.64

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Solution

The fourth proportional to 104,533.36, 144,257.58 and 56,787.64 is: 78,367.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,533.36 : 144,257.58 = 56,787.64 : x
  2. Step 2: Convert to fraction form
    104,533.36/144,257.58 = 56,787.64/x
  3. Step 3: Cross multiply
    104,533.36x = 144,257.58 × 56,787.64
  4. Step 4: Simplify right side
    104,533.36x = 8,192,047,520.31
  5. Step 5: Solve for x
    x = 8,192,047,520.31/104,533.36
  6. Step 6: Final answer
    x = 78,367.78

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1.5x scale

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.