Home / 85,299.48-127,994.04-60,499.44

Finding the Fourth Proportional to 85,299.48, 127,994.04 and 60,499.44

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Solution

The fourth proportional to 85,299.48, 127,994.04 and 60,499.44 is: 90,780.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.48 : 127,994.04 = 60,499.44 : x
  2. Step 2: Convert to fraction form
    85,299.48/127,994.04 = 60,499.44/x
  3. Step 3: Cross multiply
    85,299.48x = 127,994.04 × 60,499.44
  4. Step 4: Simplify right side
    85,299.48x = 7,743,567,743.34
  5. Step 5: Solve for x
    x = 7,743,567,743.34/85,299.48
  6. Step 6: Final answer
    x = 90,780.95

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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.