Home / 84,816.46-117,042.15-47,088.28

Finding the Fourth Proportional to 84,816.46, 117,042.15 and 47,088.28

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Solution

The fourth proportional to 84,816.46, 117,042.15 and 47,088.28 is: 64,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,816.46 : 117,042.15 = 47,088.28 : x
  2. Step 2: Convert to fraction form
    84,816.46/117,042.15 = 47,088.28/x
  3. Step 3: Cross multiply
    84,816.46x = 117,042.15 × 47,088.28
  4. Step 4: Simplify right side
    84,816.46x = 5,511,313,531.00
  5. Step 5: Solve for x
    x = 5,511,313,531.00/84,816.46
  6. Step 6: Final answer
    x = 64,979.29

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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.