Home / 86,057.97-129,137.48-36,134.23

Finding the Fourth Proportional to 86,057.97, 129,137.48 and 36,134.23

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Solution

The fourth proportional to 86,057.97, 129,137.48 and 36,134.23 is: 54,222.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,057.97 : 129,137.48 = 36,134.23 : x
  2. Step 2: Convert to fraction form
    86,057.97/129,137.48 = 36,134.23/x
  3. Step 3: Cross multiply
    86,057.97x = 129,137.48 × 36,134.23
  4. Step 4: Simplify right side
    86,057.97x = 4,666,282,577.58
  5. Step 5: Solve for x
    x = 4,666,282,577.58/86,057.97
  6. Step 6: Final answer
    x = 54,222.55

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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.