Home / 37,099.79-55,657.47-12,137.91

Finding the Fourth Proportional to 37,099.79, 55,657.47 and 12,137.91

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Solution

The fourth proportional to 37,099.79, 55,657.47 and 12,137.91 is: 18,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,099.79 : 55,657.47 = 12,137.91 : x
  2. Step 2: Convert to fraction form
    37,099.79/55,657.47 = 12,137.91/x
  3. Step 3: Cross multiply
    37,099.79x = 55,657.47 × 12,137.91
  4. Step 4: Simplify right side
    37,099.79x = 675,565,022.71
  5. Step 5: Solve for x
    x = 675,565,022.71/37,099.79
  6. Step 6: Final answer
    x = 18,209.40

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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.