Home / 37,085.52-55,631.69-12,125.70

Finding the Fourth Proportional to 37,085.52, 55,631.69 and 12,125.70

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Solution

The fourth proportional to 37,085.52, 55,631.69 and 12,125.70 is: 18,189.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,085.52 : 55,631.69 = 12,125.70 : x
  2. Step 2: Convert to fraction form
    37,085.52/55,631.69 = 12,125.70/x
  3. Step 3: Cross multiply
    37,085.52x = 55,631.69 × 12,125.70
  4. Step 4: Simplify right side
    37,085.52x = 674,573,183.43
  5. Step 5: Solve for x
    x = 674,573,183.43/37,085.52
  6. Step 6: Final answer
    x = 18,189.66

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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.