Home / 85,238.57-127,853.26-26,074.25

Finding the Fourth Proportional to 85,238.57, 127,853.26 and 26,074.25

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Solution

The fourth proportional to 85,238.57, 127,853.26 and 26,074.25 is: 39,109.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,238.57 : 127,853.26 = 26,074.25 : x
  2. Step 2: Convert to fraction form
    85,238.57/127,853.26 = 26,074.25/x
  3. Step 3: Cross multiply
    85,238.57x = 127,853.26 × 26,074.25
  4. Step 4: Simplify right side
    85,238.57x = 3,333,677,639.55
  5. Step 5: Solve for x
    x = 3,333,677,639.55/85,238.57
  6. Step 6: Final answer
    x = 39,109.97

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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.