Home / 86,210.45-129,315.56-27,050.74

Finding the Fourth Proportional to 86,210.45, 129,315.56 and 27,050.74

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Solution

The fourth proportional to 86,210.45, 129,315.56 and 27,050.74 is: 40,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,210.45 : 129,315.56 = 27,050.74 : x
  2. Step 2: Convert to fraction form
    86,210.45/129,315.56 = 27,050.74/x
  3. Step 3: Cross multiply
    86,210.45x = 129,315.56 × 27,050.74
  4. Step 4: Simplify right side
    86,210.45x = 3,498,080,809.68
  5. Step 5: Solve for x
    x = 3,498,080,809.68/86,210.45
  6. Step 6: Final answer
    x = 40,576.06

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Similar ratio
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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.