Home / 84,859.31-117,092.82-49,042.40

Finding the Fourth Proportional to 84,859.31, 117,092.82 and 49,042.40

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Solution

The fourth proportional to 84,859.31, 117,092.82 and 49,042.40 is: 67,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,859.31 : 117,092.82 = 49,042.40 : x
  2. Step 2: Convert to fraction form
    84,859.31/117,092.82 = 49,042.40/x
  3. Step 3: Cross multiply
    84,859.31x = 117,092.82 × 49,042.40
  4. Step 4: Simplify right side
    84,859.31x = 5,742,512,514.01
  5. Step 5: Solve for x
    x = 5,742,512,514.01/84,859.31
  6. Step 6: Final answer
    x = 67,670.98

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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.