Home / 53,908.90-80,863.35-48,271.30

Finding the Fourth Proportional to 53,908.90, 80,863.35 and 48,271.30

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Solution

The fourth proportional to 53,908.90, 80,863.35 and 48,271.30 is: 72,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,908.90 : 80,863.35 = 48,271.30 : x
  2. Step 2: Convert to fraction form
    53,908.90/80,863.35 = 48,271.30/x
  3. Step 3: Cross multiply
    53,908.90x = 80,863.35 × 48,271.30
  4. Step 4: Simplify right side
    53,908.90x = 3,903,379,026.86
  5. Step 5: Solve for x
    x = 3,903,379,026.86/53,908.90
  6. Step 6: Final answer
    x = 72,406.95

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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.