Home / 76,829.95-106,067.10-53,084.26

Finding the Fourth Proportional to 76,829.95, 106,067.10 and 53,084.26

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Solution

The fourth proportional to 76,829.95, 106,067.10 and 53,084.26 is: 73,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,829.95 : 106,067.10 = 53,084.26 : x
  2. Step 2: Convert to fraction form
    76,829.95/106,067.10 = 53,084.26/x
  3. Step 3: Cross multiply
    76,829.95x = 106,067.10 × 53,084.26
  4. Step 4: Simplify right side
    76,829.95x = 5,630,493,513.85
  5. Step 5: Solve for x
    x = 5,630,493,513.85/76,829.95
  6. Step 6: Final answer
    x = 73,285.14

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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.