Home / 85,304.86-117,758.46-55,104.91

Finding the Fourth Proportional to 85,304.86, 117,758.46 and 55,104.91

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Solution

The fourth proportional to 85,304.86, 117,758.46 and 55,104.91 is: 76,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,304.86 : 117,758.46 = 55,104.91 : x
  2. Step 2: Convert to fraction form
    85,304.86/117,758.46 = 55,104.91/x
  3. Step 3: Cross multiply
    85,304.86x = 117,758.46 × 55,104.91
  4. Step 4: Simplify right side
    85,304.86x = 6,489,068,942.32
  5. Step 5: Solve for x
    x = 6,489,068,942.32/85,304.86
  6. Step 6: Final answer
    x = 76,069.16

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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.