Home / 85,132.58-127,698.79-22,801.38

Finding the Fourth Proportional to 85,132.58, 127,698.79 and 22,801.38

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Solution

The fourth proportional to 85,132.58, 127,698.79 and 22,801.38 is: 34,202.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,132.58 : 127,698.79 = 22,801.38 : x
  2. Step 2: Convert to fraction form
    85,132.58/127,698.79 = 22,801.38/x
  3. Step 3: Cross multiply
    85,132.58x = 127,698.79 × 22,801.38
  4. Step 4: Simplify right side
    85,132.58x = 2,911,708,636.33
  5. Step 5: Solve for x
    x = 2,911,708,636.33/85,132.58
  6. Step 6: Final answer
    x = 34,202.05

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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.