Home / 85,004.68-127,521.60-25,846.32

Finding the Fourth Proportional to 85,004.68, 127,521.60 and 25,846.32

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Solution

The fourth proportional to 85,004.68, 127,521.60 and 25,846.32 is: 38,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,004.68 : 127,521.60 = 25,846.32 : x
  2. Step 2: Convert to fraction form
    85,004.68/127,521.60 = 25,846.32/x
  3. Step 3: Cross multiply
    85,004.68x = 127,521.60 × 25,846.32
  4. Step 4: Simplify right side
    85,004.68x = 3,295,964,080.51
  5. Step 5: Solve for x
    x = 3,295,964,080.51/85,004.68
  6. Step 6: Final answer
    x = 38,773.91

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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.