Home / 37,106.60-55,648.06-12,139.93

Finding the Fourth Proportional to 37,106.60, 55,648.06 and 12,139.93

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Solution

The fourth proportional to 37,106.60, 55,648.06 and 12,139.93 is: 18,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,106.60 : 55,648.06 = 12,139.93 : x
  2. Step 2: Convert to fraction form
    37,106.60/55,648.06 = 12,139.93/x
  3. Step 3: Cross multiply
    37,106.60x = 55,648.06 × 12,139.93
  4. Step 4: Simplify right side
    37,106.60x = 675,563,553.04
  5. Step 5: Solve for x
    x = 675,563,553.04/37,106.60
  6. Step 6: Final answer
    x = 18,206.02

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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.