Home / 84,185.79-116,172.74-45,944.37

Finding the Fourth Proportional to 84,185.79, 116,172.74 and 45,944.37

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Solution

The fourth proportional to 84,185.79, 116,172.74 and 45,944.37 is: 63,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,185.79 : 116,172.74 = 45,944.37 : x
  2. Step 2: Convert to fraction form
    84,185.79/116,172.74 = 45,944.37/x
  3. Step 3: Cross multiply
    84,185.79x = 116,172.74 × 45,944.37
  4. Step 4: Simplify right side
    84,185.79x = 5,337,483,120.75
  5. Step 5: Solve for x
    x = 5,337,483,120.75/84,185.79
  6. Step 6: Final answer
    x = 63,401.24

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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.