Home / 86,820.16-130,235.28-33,512.44

Finding the Fourth Proportional to 86,820.16, 130,235.28 and 33,512.44

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Solution

The fourth proportional to 86,820.16, 130,235.28 and 33,512.44 is: 50,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,820.16 : 130,235.28 = 33,512.44 : x
  2. Step 2: Convert to fraction form
    86,820.16/130,235.28 = 33,512.44/x
  3. Step 3: Cross multiply
    86,820.16x = 130,235.28 × 33,512.44
  4. Step 4: Simplify right side
    86,820.16x = 4,364,502,006.88
  5. Step 5: Solve for x
    x = 4,364,502,006.88/86,820.16
  6. Step 6: Final answer
    x = 50,270.61

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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.