Home / 56,540.08-78,059.12-35,348.04

Finding the Fourth Proportional to 56,540.08, 78,059.12 and 35,348.04

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Solution

The fourth proportional to 56,540.08, 78,059.12 and 35,348.04 is: 48,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,540.08 : 78,059.12 = 35,348.04 : x
  2. Step 2: Convert to fraction form
    56,540.08/78,059.12 = 35,348.04/x
  3. Step 3: Cross multiply
    56,540.08x = 78,059.12 × 35,348.04
  4. Step 4: Simplify right side
    56,540.08x = 2,759,236,896.12
  5. Step 5: Solve for x
    x = 2,759,236,896.12/56,540.08
  6. Step 6: Final answer
    x = 48,801.43

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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.