Home / 53,895.40-80,843.10-48,646.60

Finding the Fourth Proportional to 53,895.40, 80,843.10 and 48,646.60

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Solution

The fourth proportional to 53,895.40, 80,843.10 and 48,646.60 is: 72,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.40 : 80,843.10 = 48,646.60 : x
  2. Step 2: Convert to fraction form
    53,895.40/80,843.10 = 48,646.60/x
  3. Step 3: Cross multiply
    53,895.40x = 80,843.10 × 48,646.60
  4. Step 4: Simplify right side
    53,895.40x = 3,932,741,948.46
  5. Step 5: Solve for x
    x = 3,932,741,948.46/53,895.40
  6. Step 6: Final answer
    x = 72,969.90

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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.