Home / 86,069.39-129,118.66-26,893.42

Finding the Fourth Proportional to 86,069.39, 129,118.66 and 26,893.42

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Solution

The fourth proportional to 86,069.39, 129,118.66 and 26,893.42 is: 40,344.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,069.39 : 129,118.66 = 26,893.42 : x
  2. Step 2: Convert to fraction form
    86,069.39/129,118.66 = 26,893.42/x
  3. Step 3: Cross multiply
    86,069.39x = 129,118.66 × 26,893.42
  4. Step 4: Simplify right side
    86,069.39x = 3,472,441,963.19
  5. Step 5: Solve for x
    x = 3,472,441,963.19/86,069.39
  6. Step 6: Final answer
    x = 40,344.68

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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.