Home / 84,833.10-117,069.90-47,107.35

Finding the Fourth Proportional to 84,833.10, 117,069.90 and 47,107.35

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Solution

The fourth proportional to 84,833.10, 117,069.90 and 47,107.35 is: 65,008.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,833.10 : 117,069.90 = 47,107.35 : x
  2. Step 2: Convert to fraction form
    84,833.10/117,069.90 = 47,107.35/x
  3. Step 3: Cross multiply
    84,833.10x = 117,069.90 × 47,107.35
  4. Step 4: Simplify right side
    84,833.10x = 5,514,852,753.77
  5. Step 5: Solve for x
    x = 5,514,852,753.77/84,833.10
  6. Step 6: Final answer
    x = 65,008.27

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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.