Home / 57,252.36-78,968.28-55,325.64

Finding the Fourth Proportional to 57,252.36, 78,968.28 and 55,325.64

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Solution

The fourth proportional to 57,252.36, 78,968.28 and 55,325.64 is: 76,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,252.36 : 78,968.28 = 55,325.64 : x
  2. Step 2: Convert to fraction form
    57,252.36/78,968.28 = 55,325.64/x
  3. Step 3: Cross multiply
    57,252.36x = 78,968.28 × 55,325.64
  4. Step 4: Simplify right side
    57,252.36x = 4,368,970,630.70
  5. Step 5: Solve for x
    x = 4,368,970,630.70/57,252.36
  6. Step 6: Final answer
    x = 76,310.75

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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.