Home / 109,810.60-164,742.90-30,923.80

Finding the Fourth Proportional to 109,810.60, 164,742.90 and 30,923.80

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Solution

The fourth proportional to 109,810.60, 164,742.90 and 30,923.80 is: 46,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,810.60 : 164,742.90 = 30,923.80 : x
  2. Step 2: Convert to fraction form
    109,810.60/164,742.90 = 30,923.80/x
  3. Step 3: Cross multiply
    109,810.60x = 164,742.90 × 30,923.80
  4. Step 4: Simplify right side
    109,810.60x = 5,094,476,491.02
  5. Step 5: Solve for x
    x = 5,094,476,491.02/109,810.60
  6. Step 6: Final answer
    x = 46,393.30

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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.