Home / 85,340.14-117,768.54-47,100.04

Finding the Fourth Proportional to 85,340.14, 117,768.54 and 47,100.04

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Solution

The fourth proportional to 85,340.14, 117,768.54 and 47,100.04 is: 64,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,340.14 : 117,768.54 = 47,100.04 : x
  2. Step 2: Convert to fraction form
    85,340.14/117,768.54 = 47,100.04/x
  3. Step 3: Cross multiply
    85,340.14x = 117,768.54 × 47,100.04
  4. Step 4: Simplify right side
    85,340.14x = 5,546,902,944.74
  5. Step 5: Solve for x
    x = 5,546,902,944.74/85,340.14
  6. Step 6: Final answer
    x = 64,997.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.