Home / 37,088.74-55,627.08-12,128.41

Finding the Fourth Proportional to 37,088.74, 55,627.08 and 12,128.41

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Solution

The fourth proportional to 37,088.74, 55,627.08 and 12,128.41 is: 18,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,088.74 : 55,627.08 = 12,128.41 : x
  2. Step 2: Convert to fraction form
    37,088.74/55,627.08 = 12,128.41/x
  3. Step 3: Cross multiply
    37,088.74x = 55,627.08 × 12,128.41
  4. Step 4: Simplify right side
    37,088.74x = 674,668,033.34
  5. Step 5: Solve for x
    x = 674,668,033.34/37,088.74
  6. Step 6: Final answer
    x = 18,190.64

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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.