Home / 84,787.12-117,007.69-46,550.21

Finding the Fourth Proportional to 84,787.12, 117,007.69 and 46,550.21

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Solution

The fourth proportional to 84,787.12, 117,007.69 and 46,550.21 is: 64,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.12 : 117,007.69 = 46,550.21 : x
  2. Step 2: Convert to fraction form
    84,787.12/117,007.69 = 46,550.21/x
  3. Step 3: Cross multiply
    84,787.12x = 117,007.69 × 46,550.21
  4. Step 4: Simplify right side
    84,787.12x = 5,446,732,717.26
  5. Step 5: Solve for x
    x = 5,446,732,717.26/84,787.12
  6. Step 6: Final answer
    x = 64,240.10

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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.