Home / 86,176.09-129,263.16-33,622.48

Finding the Fourth Proportional to 86,176.09, 129,263.16 and 33,622.48

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Solution

The fourth proportional to 86,176.09, 129,263.16 and 33,622.48 is: 50,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,176.09 : 129,263.16 = 33,622.48 : x
  2. Step 2: Convert to fraction form
    86,176.09/129,263.16 = 33,622.48/x
  3. Step 3: Cross multiply
    86,176.09x = 129,263.16 × 33,622.48
  4. Step 4: Simplify right side
    86,176.09x = 4,346,147,365.52
  5. Step 5: Solve for x
    x = 4,346,147,365.52/86,176.09
  6. Step 6: Final answer
    x = 50,433.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.