Home / 101,941.47-152,912.21-31,826.79

Finding the Fourth Proportional to 101,941.47, 152,912.21 and 31,826.79

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Solution

The fourth proportional to 101,941.47, 152,912.21 and 31,826.79 is: 47,740.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,941.47 : 152,912.21 = 31,826.79 : x
  2. Step 2: Convert to fraction form
    101,941.47/152,912.21 = 31,826.79/x
  3. Step 3: Cross multiply
    101,941.47x = 152,912.21 × 31,826.79
  4. Step 4: Simplify right side
    101,941.47x = 4,866,704,636.97
  5. Step 5: Solve for x
    x = 4,866,704,636.97/101,941.47
  6. Step 6: Final answer
    x = 47,740.19

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1.5x scale

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.