Home / 72,073.50-108,159.46-25,326.36

Finding the Fourth Proportional to 72,073.50, 108,159.46 and 25,326.36

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Solution

The fourth proportional to 72,073.50, 108,159.46 and 25,326.36 is: 38,006.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073.50 : 108,159.46 = 25,326.36 : x
  2. Step 2: Convert to fraction form
    72,073.50/108,159.46 = 25,326.36/x
  3. Step 3: Cross multiply
    72,073.50x = 108,159.46 × 25,326.36
  4. Step 4: Simplify right side
    72,073.50x = 2,739,285,421.37
  5. Step 5: Solve for x
    x = 2,739,285,421.37/72,073.50
  6. Step 6: Final answer
    x = 38,006.83

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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.