Home / 100,827.04-151,263.48-30,711.80

Finding the Fourth Proportional to 100,827.04, 151,263.48 and 30,711.80

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Solution

The fourth proportional to 100,827.04, 151,263.48 and 30,711.80 is: 46,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,827.04 : 151,263.48 = 30,711.80 : x
  2. Step 2: Convert to fraction form
    100,827.04/151,263.48 = 30,711.80/x
  3. Step 3: Cross multiply
    100,827.04x = 151,263.48 × 30,711.80
  4. Step 4: Simplify right side
    100,827.04x = 4,645,573,745.06
  5. Step 5: Solve for x
    x = 4,645,573,745.06/100,827.04
  6. Step 6: Final answer
    x = 46,074.68

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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.