Home / 73,260.20-109,890.30-37,830.80

Finding the Fourth Proportional to 73,260.20, 109,890.30 and 37,830.80

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Solution

The fourth proportional to 73,260.20, 109,890.30 and 37,830.80 is: 56,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,260.20 : 109,890.30 = 37,830.80 : x
  2. Step 2: Convert to fraction form
    73,260.20/109,890.30 = 37,830.80/x
  3. Step 3: Cross multiply
    73,260.20x = 109,890.30 × 37,830.80
  4. Step 4: Simplify right side
    73,260.20x = 4,157,237,961.24
  5. Step 5: Solve for x
    x = 4,157,237,961.24/73,260.20
  6. Step 6: Final answer
    x = 56,746.20

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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.