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Finding the Fourth Proportional to 79,830.60, 110,173.60 and 45,843.54

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Solution

The fourth proportional to 79,830.60, 110,173.60 and 45,843.54 is: 63,268.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,830.60 : 110,173.60 = 45,843.54 : x
  2. Step 2: Convert to fraction form
    79,830.60/110,173.60 = 45,843.54/x
  3. Step 3: Cross multiply
    79,830.60x = 110,173.60 × 45,843.54
  4. Step 4: Simplify right side
    79,830.60x = 5,050,747,838.54
  5. Step 5: Solve for x
    x = 5,050,747,838.54/79,830.60
  6. Step 6: Final answer
    x = 63,268.32

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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.