Home / 53,873.60-80,783.36-34,137.12

Finding the Fourth Proportional to 53,873.60, 80,783.36 and 34,137.12

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Solution

The fourth proportional to 53,873.60, 80,783.36 and 34,137.12 is: 51,188.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,873.60 : 80,783.36 = 34,137.12 : x
  2. Step 2: Convert to fraction form
    53,873.60/80,783.36 = 34,137.12/x
  3. Step 3: Cross multiply
    53,873.60x = 80,783.36 × 34,137.12
  4. Step 4: Simplify right side
    53,873.60x = 2,757,711,254.32
  5. Step 5: Solve for x
    x = 2,757,711,254.32/53,873.60
  6. Step 6: Final answer
    x = 51,188.55

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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.