Home / 86,094.79-129,142.22-26,930.70

Finding the Fourth Proportional to 86,094.79, 129,142.22 and 26,930.70

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Solution

The fourth proportional to 86,094.79, 129,142.22 and 26,930.70 is: 40,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,094.79 : 129,142.22 = 26,930.70 : x
  2. Step 2: Convert to fraction form
    86,094.79/129,142.22 = 26,930.70/x
  3. Step 3: Cross multiply
    86,094.79x = 129,142.22 × 26,930.70
  4. Step 4: Simplify right side
    86,094.79x = 3,477,890,249.50
  5. Step 5: Solve for x
    x = 3,477,890,249.50/86,094.79
  6. Step 6: Final answer
    x = 40,396.06

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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.