Home / 86,976.30-130,423.32-33,693.23

Finding the Fourth Proportional to 86,976.30, 130,423.32 and 33,693.23

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Solution

The fourth proportional to 86,976.30, 130,423.32 and 33,693.23 is: 50,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,976.30 : 130,423.32 = 33,693.23 : x
  2. Step 2: Convert to fraction form
    86,976.30/130,423.32 = 33,693.23/x
  3. Step 3: Cross multiply
    86,976.30x = 130,423.32 × 33,693.23
  4. Step 4: Simplify right side
    86,976.30x = 4,394,382,972.13
  5. Step 5: Solve for x
    x = 4,394,382,972.13/86,976.30
  6. Step 6: Final answer
    x = 50,523.92

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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.