Home / 34,705.20-52,052.40-9,742.80

Finding the Fourth Proportional to 34,705.20, 52,052.40 and 9,742.80

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Solution

The fourth proportional to 34,705.20, 52,052.40 and 9,742.80 is: 14,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,705.20 : 52,052.40 = 9,742.80 : x
  2. Step 2: Convert to fraction form
    34,705.20/52,052.40 = 9,742.80/x
  3. Step 3: Cross multiply
    34,705.20x = 52,052.40 × 9,742.80
  4. Step 4: Simplify right side
    34,705.20x = 507,136,122.72
  5. Step 5: Solve for x
    x = 507,136,122.72/34,705.20
  6. Step 6: Final answer
    x = 14,612.68

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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.