Home / 53,712.45-80,569.53-16,272.90

Finding the Fourth Proportional to 53,712.45, 80,569.53 and 16,272.90

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Solution

The fourth proportional to 53,712.45, 80,569.53 and 16,272.90 is: 24,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,712.45 : 80,569.53 = 16,272.90 : x
  2. Step 2: Convert to fraction form
    53,712.45/80,569.53 = 16,272.90/x
  3. Step 3: Cross multiply
    53,712.45x = 80,569.53 × 16,272.90
  4. Step 4: Simplify right side
    53,712.45x = 1,311,099,904.74
  5. Step 5: Solve for x
    x = 1,311,099,904.74/53,712.45
  6. Step 6: Final answer
    x = 24,409.61

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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.