Home / 86,788.02-130,187.80-33,505.41

Finding the Fourth Proportional to 86,788.02, 130,187.80 and 33,505.41

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Solution

The fourth proportional to 86,788.02, 130,187.80 and 33,505.41 is: 50,260.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,788.02 : 130,187.80 = 33,505.41 : x
  2. Step 2: Convert to fraction form
    86,788.02/130,187.80 = 33,505.41/x
  3. Step 3: Cross multiply
    86,788.02x = 130,187.80 × 33,505.41
  4. Step 4: Simplify right side
    86,788.02x = 4,361,995,616.00
  5. Step 5: Solve for x
    x = 4,361,995,616.00/86,788.02
  6. Step 6: Final answer
    x = 50,260.34

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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.