Home / 84,629.48-116,784.34-48,817.36

Finding the Fourth Proportional to 84,629.48, 116,784.34 and 48,817.36

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Solution

The fourth proportional to 84,629.48, 116,784.34 and 48,817.36 is: 67,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,629.48 : 116,784.34 = 48,817.36 : x
  2. Step 2: Convert to fraction form
    84,629.48/116,784.34 = 48,817.36/x
  3. Step 3: Cross multiply
    84,629.48x = 116,784.34 × 48,817.36
  4. Step 4: Simplify right side
    84,629.48x = 5,701,103,168.14
  5. Step 5: Solve for x
    x = 5,701,103,168.14/84,629.48
  6. Step 6: Final answer
    x = 67,365.45

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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.