Home / 79,982.56-110,397.32-45,994.78

Finding the Fourth Proportional to 79,982.56, 110,397.32 and 45,994.78

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Solution

The fourth proportional to 79,982.56, 110,397.32 and 45,994.78 is: 63,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,982.56 : 110,397.32 = 45,994.78 : x
  2. Step 2: Convert to fraction form
    79,982.56/110,397.32 = 45,994.78/x
  3. Step 3: Cross multiply
    79,982.56x = 110,397.32 × 45,994.78
  4. Step 4: Simplify right side
    79,982.56x = 5,077,700,445.99
  5. Step 5: Solve for x
    x = 5,077,700,445.99/79,982.56
  6. Step 6: Final answer
    x = 63,485.10

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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.