Home / 84,635.06-116,735.73-55,921.46

Finding the Fourth Proportional to 84,635.06, 116,735.73 and 55,921.46

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Solution

The fourth proportional to 84,635.06, 116,735.73 and 55,921.46 is: 77,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,635.06 : 116,735.73 = 55,921.46 : x
  2. Step 2: Convert to fraction form
    84,635.06/116,735.73 = 55,921.46/x
  3. Step 3: Cross multiply
    84,635.06x = 116,735.73 × 55,921.46
  4. Step 4: Simplify right side
    84,635.06x = 6,528,032,455.77
  5. Step 5: Solve for x
    x = 6,528,032,455.77/84,635.06
  6. Step 6: Final answer
    x = 77,131.54

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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.