Home / 86,461.83-129,704.07-33,864.48

Finding the Fourth Proportional to 86,461.83, 129,704.07 and 33,864.48

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Solution

The fourth proportional to 86,461.83, 129,704.07 and 33,864.48 is: 50,801.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,461.83 : 129,704.07 = 33,864.48 : x
  2. Step 2: Convert to fraction form
    86,461.83/129,704.07 = 33,864.48/x
  3. Step 3: Cross multiply
    86,461.83x = 129,704.07 × 33,864.48
  4. Step 4: Simplify right side
    86,461.83x = 4,392,360,884.43
  5. Step 5: Solve for x
    x = 4,392,360,884.43/86,461.83
  6. Step 6: Final answer
    x = 50,801.16

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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.