Home / 72,177.63-108,266.37-32,186.31

Finding the Fourth Proportional to 72,177.63, 108,266.37 and 32,186.31

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Solution

The fourth proportional to 72,177.63, 108,266.37 and 32,186.31 is: 48,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,177.63 : 108,266.37 = 32,186.31 : x
  2. Step 2: Convert to fraction form
    72,177.63/108,266.37 = 32,186.31/x
  3. Step 3: Cross multiply
    72,177.63x = 108,266.37 × 32,186.31
  4. Step 4: Simplify right side
    72,177.63x = 3,484,694,947.39
  5. Step 5: Solve for x
    x = 3,484,694,947.39/72,177.63
  6. Step 6: Final answer
    x = 48,279.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.