Home / 86,453.52-129,643.56-33,854.64

Finding the Fourth Proportional to 86,453.52, 129,643.56 and 33,854.64

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Solution

The fourth proportional to 86,453.52, 129,643.56 and 33,854.64 is: 50,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,453.52 : 129,643.56 = 33,854.64 : x
  2. Step 2: Convert to fraction form
    86,453.52/129,643.56 = 33,854.64/x
  3. Step 3: Cross multiply
    86,453.52x = 129,643.56 × 33,854.64
  4. Step 4: Simplify right side
    86,453.52x = 4,389,036,052.12
  5. Step 5: Solve for x
    x = 4,389,036,052.12/86,453.52
  6. Step 6: Final answer
    x = 50,767.58

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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.