Home / 86,106.43-129,159.46-23,776.75

Finding the Fourth Proportional to 86,106.43, 129,159.46 and 23,776.75

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Solution

The fourth proportional to 86,106.43, 129,159.46 and 23,776.75 is: 35,665.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,106.43 : 129,159.46 = 23,776.75 : x
  2. Step 2: Convert to fraction form
    86,106.43/129,159.46 = 23,776.75/x
  3. Step 3: Cross multiply
    86,106.43x = 129,159.46 × 23,776.75
  4. Step 4: Simplify right side
    86,106.43x = 3,070,992,190.56
  5. Step 5: Solve for x
    x = 3,070,992,190.56/86,106.43
  6. Step 6: Final answer
    x = 35,665.07

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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.