Home / 84,561.98-116,696.39-51,021.50

Finding the Fourth Proportional to 84,561.98, 116,696.39 and 51,021.50

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Solution

The fourth proportional to 84,561.98, 116,696.39 and 51,021.50 is: 70,410.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,561.98 : 116,696.39 = 51,021.50 : x
  2. Step 2: Convert to fraction form
    84,561.98/116,696.39 = 51,021.50/x
  3. Step 3: Cross multiply
    84,561.98x = 116,696.39 × 51,021.50
  4. Step 4: Simplify right side
    84,561.98x = 5,954,024,862.39
  5. Step 5: Solve for x
    x = 5,954,024,862.39/84,561.98
  6. Step 6: Final answer
    x = 70,410.19

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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.