Home / 109,973.20-164,933.40-31,094.80

Finding the Fourth Proportional to 109,973.20, 164,933.40 and 31,094.80

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Solution

The fourth proportional to 109,973.20, 164,933.40 and 31,094.80 is: 46,634.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,973.20 : 164,933.40 = 31,094.80 : x
  2. Step 2: Convert to fraction form
    109,973.20/164,933.40 = 31,094.80/x
  3. Step 3: Cross multiply
    109,973.20x = 164,933.40 × 31,094.80
  4. Step 4: Simplify right side
    109,973.20x = 5,128,571,086.32
  5. Step 5: Solve for x
    x = 5,128,571,086.32/109,973.20
  6. Step 6: Final answer
    x = 46,634.74

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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.