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Finding the Fourth Proportional to 79,863.04, 110,254.16 and 48,039.04

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Solution

The fourth proportional to 79,863.04, 110,254.16 and 48,039.04 is: 66,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863.04 : 110,254.16 = 48,039.04 : x
  2. Step 2: Convert to fraction form
    79,863.04/110,254.16 = 48,039.04/x
  3. Step 3: Cross multiply
    79,863.04x = 110,254.16 × 48,039.04
  4. Step 4: Simplify right side
    79,863.04x = 5,296,504,002.41
  5. Step 5: Solve for x
    x = 5,296,504,002.41/79,863.04
  6. Step 6: Final answer
    x = 66,319.84

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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.