Home / 84,721.14-116,914.05-48,422.21

Finding the Fourth Proportional to 84,721.14, 116,914.05 and 48,422.21

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Solution

The fourth proportional to 84,721.14, 116,914.05 and 48,422.21 is: 66,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,721.14 : 116,914.05 = 48,422.21 : x
  2. Step 2: Convert to fraction form
    84,721.14/116,914.05 = 48,422.21/x
  3. Step 3: Cross multiply
    84,721.14x = 116,914.05 × 48,422.21
  4. Step 4: Simplify right side
    84,721.14x = 5,661,236,096.48
  5. Step 5: Solve for x
    x = 5,661,236,096.48/84,721.14
  6. Step 6: Final answer
    x = 66,822.00

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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.