Home / 53,906.90-80,860.35-48,269.30

Finding the Fourth Proportional to 53,906.90, 80,860.35 and 48,269.30

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Solution

The fourth proportional to 53,906.90, 80,860.35 and 48,269.30 is: 72,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,906.90 : 80,860.35 = 48,269.30 : x
  2. Step 2: Convert to fraction form
    53,906.90/80,860.35 = 48,269.30/x
  3. Step 3: Cross multiply
    53,906.90x = 80,860.35 × 48,269.30
  4. Step 4: Simplify right side
    53,906.90x = 3,903,072,492.26
  5. Step 5: Solve for x
    x = 3,903,072,492.26/53,906.90
  6. Step 6: Final answer
    x = 72,403.95

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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.