Home / 102,823.07-154,177.29-31,725.52

Finding the Fourth Proportional to 102,823.07, 154,177.29 and 31,725.52

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Solution

The fourth proportional to 102,823.07, 154,177.29 and 31,725.52 is: 47,570.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,823.07 : 154,177.29 = 31,725.52 : x
  2. Step 2: Convert to fraction form
    102,823.07/154,177.29 = 31,725.52/x
  3. Step 3: Cross multiply
    102,823.07x = 154,177.29 × 31,725.52
  4. Step 4: Simplify right side
    102,823.07x = 4,891,353,926.55
  5. Step 5: Solve for x
    x = 4,891,353,926.55/102,823.07
  6. Step 6: Final answer
    x = 47,570.59

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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.