Home / 80,365.23-110,990.66-62,671.59

Finding the Fourth Proportional to 80,365.23, 110,990.66 and 62,671.59

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Solution

The fourth proportional to 80,365.23, 110,990.66 and 62,671.59 is: 86,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,365.23 : 110,990.66 = 62,671.59 : x
  2. Step 2: Convert to fraction form
    80,365.23/110,990.66 = 62,671.59/x
  3. Step 3: Cross multiply
    80,365.23x = 110,990.66 × 62,671.59
  4. Step 4: Simplify right side
    80,365.23x = 6,955,960,823.99
  5. Step 5: Solve for x
    x = 6,955,960,823.99/80,365.23
  6. Step 6: Final answer
    x = 86,554.36

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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.