Home / 124,516.20-186,774.30-31,021.95

Finding the Fourth Proportional to 124,516.20, 186,774.30 and 31,021.95

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Solution

The fourth proportional to 124,516.20, 186,774.30 and 31,021.95 is: 46,532.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.20 : 186,774.30 = 31,021.95 : x
  2. Step 2: Convert to fraction form
    124,516.20/186,774.30 = 31,021.95/x
  3. Step 3: Cross multiply
    124,516.20x = 186,774.30 × 31,021.95
  4. Step 4: Simplify right side
    124,516.20x = 5,794,102,995.89
  5. Step 5: Solve for x
    x = 5,794,102,995.89/124,516.20
  6. Step 6: Final answer
    x = 46,532.93

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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.