Home / 53,932.36-80,476.61-48,328.64

Finding the Fourth Proportional to 53,932.36, 80,476.61 and 48,328.64

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Solution

The fourth proportional to 53,932.36, 80,476.61 and 48,328.64 is: 72,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,932.36 : 80,476.61 = 48,328.64 : x
  2. Step 2: Convert to fraction form
    53,932.36/80,476.61 = 48,328.64/x
  3. Step 3: Cross multiply
    53,932.36x = 80,476.61 × 48,328.64
  4. Step 4: Simplify right side
    53,932.36x = 3,889,325,113.11
  5. Step 5: Solve for x
    x = 3,889,325,113.11/53,932.36
  6. Step 6: Final answer
    x = 72,114.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.