Home / 85,175.69-127,775.88-26,003.67

Finding the Fourth Proportional to 85,175.69, 127,775.88 and 26,003.67

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Solution

The fourth proportional to 85,175.69, 127,775.88 and 26,003.67 is: 39,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,175.69 : 127,775.88 = 26,003.67 : x
  2. Step 2: Convert to fraction form
    85,175.69/127,775.88 = 26,003.67/x
  3. Step 3: Cross multiply
    85,175.69x = 127,775.88 × 26,003.67
  4. Step 4: Simplify right side
    85,175.69x = 3,322,641,817.48
  5. Step 5: Solve for x
    x = 3,322,641,817.48/85,175.69
  6. Step 6: Final answer
    x = 39,009.28

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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.