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Finding the Fourth Proportional to 84,673.17, 116,822.39 and 48,858.48

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Solution

The fourth proportional to 84,673.17, 116,822.39 and 48,858.48 is: 67,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,673.17 : 116,822.39 = 48,858.48 : x
  2. Step 2: Convert to fraction form
    84,673.17/116,822.39 = 48,858.48/x
  3. Step 3: Cross multiply
    84,673.17x = 116,822.39 × 48,858.48
  4. Step 4: Simplify right side
    84,673.17x = 5,707,764,161.07
  5. Step 5: Solve for x
    x = 5,707,764,161.07/84,673.17
  6. Step 6: Final answer
    x = 67,409.36

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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.