Home / 80,635.04-120,967.82-26,602.82

Finding the Fourth Proportional to 80,635.04, 120,967.82 and 26,602.82

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Solution

The fourth proportional to 80,635.04, 120,967.82 and 26,602.82 is: 39,909.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,635.04 : 120,967.82 = 26,602.82 : x
  2. Step 2: Convert to fraction form
    80,635.04/120,967.82 = 26,602.82/x
  3. Step 3: Cross multiply
    80,635.04x = 120,967.82 × 26,602.82
  4. Step 4: Simplify right side
    80,635.04x = 3,218,085,141.25
  5. Step 5: Solve for x
    x = 3,218,085,141.25/80,635.04
  6. Step 6: Final answer
    x = 39,909.26

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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.