Home / 85,388.14-127,994.70-35,497.18

Finding the Fourth Proportional to 85,388.14, 127,994.70 and 35,497.18

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Solution

The fourth proportional to 85,388.14, 127,994.70 and 35,497.18 is: 53,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,388.14 : 127,994.70 = 35,497.18 : x
  2. Step 2: Convert to fraction form
    85,388.14/127,994.70 = 35,497.18/x
  3. Step 3: Cross multiply
    85,388.14x = 127,994.70 × 35,497.18
  4. Step 4: Simplify right side
    85,388.14x = 4,543,450,904.95
  5. Step 5: Solve for x
    x = 4,543,450,904.95/85,388.14
  6. Step 6: Final answer
    x = 53,209.39

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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.