Home / 84,859.96-117,107.40-53,047.60

Finding the Fourth Proportional to 84,859.96, 117,107.40 and 53,047.60

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Solution

The fourth proportional to 84,859.96, 117,107.40 and 53,047.60 is: 73,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,859.96 : 117,107.40 = 53,047.60 : x
  2. Step 2: Convert to fraction form
    84,859.96/117,107.40 = 53,047.60/x
  3. Step 3: Cross multiply
    84,859.96x = 117,107.40 × 53,047.60
  4. Step 4: Simplify right side
    84,859.96x = 6,212,266,512.24
  5. Step 5: Solve for x
    x = 6,212,266,512.24/84,859.96
  6. Step 6: Final answer
    x = 73,206.10

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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.