Home / 109,953.20-164,903.40-31,074.80

Finding the Fourth Proportional to 109,953.20, 164,903.40 and 31,074.80

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Solution

The fourth proportional to 109,953.20, 164,903.40 and 31,074.80 is: 46,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,953.20 : 164,903.40 = 31,074.80 : x
  2. Step 2: Convert to fraction form
    109,953.20/164,903.40 = 31,074.80/x
  3. Step 3: Cross multiply
    109,953.20x = 164,903.40 × 31,074.80
  4. Step 4: Simplify right side
    109,953.20x = 5,124,340,174.32
  5. Step 5: Solve for x
    x = 5,124,340,174.32/109,953.20
  6. Step 6: Final answer
    x = 46,604.74

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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.