Home / 51,210.80-76,816.20-48,676.40

Finding the Fourth Proportional to 51,210.80, 76,816.20 and 48,676.40

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Solution

The fourth proportional to 51,210.80, 76,816.20 and 48,676.40 is: 73,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.80 : 76,816.20 = 48,676.40 : x
  2. Step 2: Convert to fraction form
    51,210.80/76,816.20 = 48,676.40/x
  3. Step 3: Cross multiply
    51,210.80x = 76,816.20 × 48,676.40
  4. Step 4: Simplify right side
    51,210.80x = 3,739,136,077.68
  5. Step 5: Solve for x
    x = 3,739,136,077.68/51,210.80
  6. Step 6: Final answer
    x = 73,014.60

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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.