Home / 73,125.20-109,817.40-56,525.60

Finding the Fourth Proportional to 73,125.20, 109,817.40 and 56,525.60

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Solution

The fourth proportional to 73,125.20, 109,817.40 and 56,525.60 is: 84,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,125.20 : 109,817.40 = 56,525.60 : x
  2. Step 2: Convert to fraction form
    73,125.20/109,817.40 = 56,525.60/x
  3. Step 3: Cross multiply
    73,125.20x = 109,817.40 × 56,525.60
  4. Step 4: Simplify right side
    73,125.20x = 6,207,494,425.44
  5. Step 5: Solve for x
    x = 6,207,494,425.44/73,125.20
  6. Step 6: Final answer
    x = 84,888.58

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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.