Home / 79,273.90-109,403.05-52,369.25

Finding the Fourth Proportional to 79,273.90, 109,403.05 and 52,369.25

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Solution

The fourth proportional to 79,273.90, 109,403.05 and 52,369.25 is: 72,272.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273.90 : 109,403.05 = 52,369.25 : x
  2. Step 2: Convert to fraction form
    79,273.90/109,403.05 = 52,369.25/x
  3. Step 3: Cross multiply
    79,273.90x = 109,403.05 × 52,369.25
  4. Step 4: Simplify right side
    79,273.90x = 5,729,355,129.20
  5. Step 5: Solve for x
    x = 5,729,355,129.20/79,273.90
  6. Step 6: Final answer
    x = 72,272.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.