Home / 59,895.90-82,690.20-39,787.26

Finding the Fourth Proportional to 59,895.90, 82,690.20 and 39,787.26

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Solution

The fourth proportional to 59,895.90, 82,690.20 and 39,787.26 is: 54,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,895.90 : 82,690.20 = 39,787.26 : x
  2. Step 2: Convert to fraction form
    59,895.90/82,690.20 = 39,787.26/x
  3. Step 3: Cross multiply
    59,895.90x = 82,690.20 × 39,787.26
  4. Step 4: Simplify right side
    59,895.90x = 3,290,016,486.85
  5. Step 5: Solve for x
    x = 3,290,016,486.85/59,895.90
  6. Step 6: Final answer
    x = 54,928.91

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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.