Home / 79,173.48-109,259.40-43,363.44

Finding the Fourth Proportional to 79,173.48, 109,259.40 and 43,363.44

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Solution

The fourth proportional to 79,173.48, 109,259.40 and 43,363.44 is: 59,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,173.48 : 109,259.40 = 43,363.44 : x
  2. Step 2: Convert to fraction form
    79,173.48/109,259.40 = 43,363.44/x
  3. Step 3: Cross multiply
    79,173.48x = 109,259.40 × 43,363.44
  4. Step 4: Simplify right side
    79,173.48x = 4,737,863,436.34
  5. Step 5: Solve for x
    x = 4,737,863,436.34/79,173.48
  6. Step 6: Final answer
    x = 59,841.55

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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.