Home / 86,763.44-130,153.05-33,438.30

Finding the Fourth Proportional to 86,763.44, 130,153.05 and 33,438.30

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Solution

The fourth proportional to 86,763.44, 130,153.05 and 33,438.30 is: 50,160.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,763.44 : 130,153.05 = 33,438.30 : x
  2. Step 2: Convert to fraction form
    86,763.44/130,153.05 = 33,438.30/x
  3. Step 3: Cross multiply
    86,763.44x = 130,153.05 × 33,438.30
  4. Step 4: Simplify right side
    86,763.44x = 4,352,096,731.82
  5. Step 5: Solve for x
    x = 4,352,096,731.82/86,763.44
  6. Step 6: Final answer
    x = 50,160.49

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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.