Home / 53,856.72-80,778.90-14,416.92

Finding the Fourth Proportional to 53,856.72, 80,778.90 and 14,416.92

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Solution

The fourth proportional to 53,856.72, 80,778.90 and 14,416.92 is: 21,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,856.72 : 80,778.90 = 14,416.92 : x
  2. Step 2: Convert to fraction form
    53,856.72/80,778.90 = 14,416.92/x
  3. Step 3: Cross multiply
    53,856.72x = 80,778.90 × 14,416.92
  4. Step 4: Simplify right side
    53,856.72x = 1,164,582,938.99
  5. Step 5: Solve for x
    x = 1,164,582,938.99/53,856.72
  6. Step 6: Final answer
    x = 21,623.73

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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.