Home / 85,179.09-127,627.39-51,798.18

Finding the Fourth Proportional to 85,179.09, 127,627.39 and 51,798.18

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Solution

The fourth proportional to 85,179.09, 127,627.39 and 51,798.18 is: 77,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,179.09 : 127,627.39 = 51,798.18 : x
  2. Step 2: Convert to fraction form
    85,179.09/127,627.39 = 51,798.18/x
  3. Step 3: Cross multiply
    85,179.09x = 127,627.39 × 51,798.18
  4. Step 4: Simplify right side
    85,179.09x = 6,610,866,390.65
  5. Step 5: Solve for x
    x = 6,610,866,390.65/85,179.09
  6. Step 6: Final answer
    x = 77,611.38

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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.