Home / 55,591.12-76,714.26-31,717.36

Finding the Fourth Proportional to 55,591.12, 76,714.26 and 31,717.36

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Solution

The fourth proportional to 55,591.12, 76,714.26 and 31,717.36 is: 43,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,591.12 : 76,714.26 = 31,717.36 : x
  2. Step 2: Convert to fraction form
    55,591.12/76,714.26 = 31,717.36/x
  3. Step 3: Cross multiply
    55,591.12x = 76,714.26 × 31,717.36
  4. Step 4: Simplify right side
    55,591.12x = 2,433,173,801.55
  5. Step 5: Solve for x
    x = 2,433,173,801.55/55,591.12
  6. Step 6: Final answer
    x = 43,769.11

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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.