Home / 86,055.41-129,083.12-26,891.29

Finding the Fourth Proportional to 86,055.41, 129,083.12 and 26,891.29

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Solution

The fourth proportional to 86,055.41, 129,083.12 and 26,891.29 is: 40,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,055.41 : 129,083.12 = 26,891.29 : x
  2. Step 2: Convert to fraction form
    86,055.41/129,083.12 = 26,891.29/x
  3. Step 3: Cross multiply
    86,055.41x = 129,083.12 × 26,891.29
  4. Step 4: Simplify right side
    86,055.41x = 3,471,211,741.76
  5. Step 5: Solve for x
    x = 3,471,211,741.76/86,055.41
  6. Step 6: Final answer
    x = 40,336.94

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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.