Home / 81,017.49-111,787.45-46,555.57

Finding the Fourth Proportional to 81,017.49, 111,787.45 and 46,555.57

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Solution

The fourth proportional to 81,017.49, 111,787.45 and 46,555.57 is: 64,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,017.49 : 111,787.45 = 46,555.57 : x
  2. Step 2: Convert to fraction form
    81,017.49/111,787.45 = 46,555.57/x
  3. Step 3: Cross multiply
    81,017.49x = 111,787.45 × 46,555.57
  4. Step 4: Simplify right side
    81,017.49x = 5,204,328,173.15
  5. Step 5: Solve for x
    x = 5,204,328,173.15/81,017.49
  6. Step 6: Final answer
    x = 64,237.09

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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.