Home / 86,118.03-129,107.34-26,923.23

Finding the Fourth Proportional to 86,118.03, 129,107.34 and 26,923.23

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Solution

The fourth proportional to 86,118.03, 129,107.34 and 26,923.23 is: 40,363.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,118.03 : 129,107.34 = 26,923.23 : x
  2. Step 2: Convert to fraction form
    86,118.03/129,107.34 = 26,923.23/x
  3. Step 3: Cross multiply
    86,118.03x = 129,107.34 × 26,923.23
  4. Step 4: Simplify right side
    86,118.03x = 3,475,986,609.51
  5. Step 5: Solve for x
    x = 3,475,986,609.51/86,118.03
  6. Step 6: Final answer
    x = 40,363.05

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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.