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Finding the Fourth Proportional to 84,859.01, 117,092.44 and 49,042.12

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Solution

The fourth proportional to 84,859.01, 117,092.44 and 49,042.12 is: 67,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,859.01 : 117,092.44 = 49,042.12 : x
  2. Step 2: Convert to fraction form
    84,859.01/117,092.44 = 49,042.12/x
  3. Step 3: Cross multiply
    84,859.01x = 117,092.44 × 49,042.12
  4. Step 4: Simplify right side
    84,859.01x = 5,742,461,493.57
  5. Step 5: Solve for x
    x = 5,742,461,493.57/84,859.01
  6. Step 6: Final answer
    x = 67,670.62

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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.