Home / 86,670.38-130,001.31-33,387.77

Finding the Fourth Proportional to 86,670.38, 130,001.31 and 33,387.77

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Solution

The fourth proportional to 86,670.38, 130,001.31 and 33,387.77 is: 50,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,670.38 : 130,001.31 = 33,387.77 : x
  2. Step 2: Convert to fraction form
    86,670.38/130,001.31 = 33,387.77/x
  3. Step 3: Cross multiply
    86,670.38x = 130,001.31 × 33,387.77
  4. Step 4: Simplify right side
    86,670.38x = 4,340,453,187.97
  5. Step 5: Solve for x
    x = 4,340,453,187.97/86,670.38
  6. Step 6: Final answer
    x = 50,080.01

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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.