Home / 102,711.75-154,080.59-35,256.93

Finding the Fourth Proportional to 102,711.75, 154,080.59 and 35,256.93

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Solution

The fourth proportional to 102,711.75, 154,080.59 and 35,256.93 is: 52,889.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,711.75 : 154,080.59 = 35,256.93 : x
  2. Step 2: Convert to fraction form
    102,711.75/154,080.59 = 35,256.93/x
  3. Step 3: Cross multiply
    102,711.75x = 154,080.59 × 35,256.93
  4. Step 4: Simplify right side
    102,711.75x = 5,432,408,399.70
  5. Step 5: Solve for x
    x = 5,432,408,399.70/102,711.75
  6. Step 6: Final answer
    x = 52,889.84

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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.