Home / 72,522.26-108,783.38-25,776.98

Finding the Fourth Proportional to 72,522.26, 108,783.38 and 25,776.98

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Solution

The fourth proportional to 72,522.26, 108,783.38 and 25,776.98 is: 38,665.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,522.26 : 108,783.38 = 25,776.98 : x
  2. Step 2: Convert to fraction form
    72,522.26/108,783.38 = 25,776.98/x
  3. Step 3: Cross multiply
    72,522.26x = 108,783.38 × 25,776.98
  4. Step 4: Simplify right side
    72,522.26x = 2,804,107,010.59
  5. Step 5: Solve for x
    x = 2,804,107,010.59/72,522.26
  6. Step 6: Final answer
    x = 38,665.47

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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.