Home / 52,176.20-78,263.16-12,733.20

Finding the Fourth Proportional to 52,176.20, 78,263.16 and 12,733.20

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Solution

The fourth proportional to 52,176.20, 78,263.16 and 12,733.20 is: 19,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,176.20 : 78,263.16 = 12,733.20 : x
  2. Step 2: Convert to fraction form
    52,176.20/78,263.16 = 12,733.20/x
  3. Step 3: Cross multiply
    52,176.20x = 78,263.16 × 12,733.20
  4. Step 4: Simplify right side
    52,176.20x = 996,540,492.79
  5. Step 5: Solve for x
    x = 996,540,492.79/52,176.20
  6. Step 6: Final answer
    x = 19,099.52

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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.