Home / 85,002.67-127,518.59-25,844.32

Finding the Fourth Proportional to 85,002.67, 127,518.59 and 25,844.32

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Solution

The fourth proportional to 85,002.67, 127,518.59 and 25,844.32 is: 38,770.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,002.67 : 127,518.59 = 25,844.32 : x
  2. Step 2: Convert to fraction form
    85,002.67/127,518.59 = 25,844.32/x
  3. Step 3: Cross multiply
    85,002.67x = 127,518.59 × 25,844.32
  4. Step 4: Simplify right side
    85,002.67x = 3,295,631,245.91
  5. Step 5: Solve for x
    x = 3,295,631,245.91/85,002.67
  6. Step 6: Final answer
    x = 38,770.91

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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.