Home / 75,384.50-113,128.59-26,136.50

Finding the Fourth Proportional to 75,384.50, 113,128.59 and 26,136.50

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Solution

The fourth proportional to 75,384.50, 113,128.59 and 26,136.50 is: 39,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,384.50 : 113,128.59 = 26,136.50 : x
  2. Step 2: Convert to fraction form
    75,384.50/113,128.59 = 26,136.50/x
  3. Step 3: Cross multiply
    75,384.50x = 113,128.59 × 26,136.50
  4. Step 4: Simplify right side
    75,384.50x = 2,956,785,392.54
  5. Step 5: Solve for x
    x = 2,956,785,392.54/75,384.50
  6. Step 6: Final answer
    x = 39,222.72

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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.