Home / 86,786.02-130,184.80-33,503.41

Finding the Fourth Proportional to 86,786.02, 130,184.80 and 33,503.41

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Solution

The fourth proportional to 86,786.02, 130,184.80 and 33,503.41 is: 50,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,786.02 : 130,184.80 = 33,503.41 : x
  2. Step 2: Convert to fraction form
    86,786.02/130,184.80 = 33,503.41/x
  3. Step 3: Cross multiply
    86,786.02x = 130,184.80 × 33,503.41
  4. Step 4: Simplify right side
    86,786.02x = 4,361,634,730.17
  5. Step 5: Solve for x
    x = 4,361,634,730.17/86,786.02
  6. Step 6: Final answer
    x = 50,257.34

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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.