Home / 86,619.66-129,929.48-32,594.49

Finding the Fourth Proportional to 86,619.66, 129,929.48 and 32,594.49

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Solution

The fourth proportional to 86,619.66, 129,929.48 and 32,594.49 is: 48,891.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619.66 : 129,929.48 = 32,594.49 : x
  2. Step 2: Convert to fraction form
    86,619.66/129,929.48 = 32,594.49/x
  3. Step 3: Cross multiply
    86,619.66x = 129,929.48 × 32,594.49
  4. Step 4: Simplify right side
    86,619.66x = 4,234,985,136.57
  5. Step 5: Solve for x
    x = 4,234,985,136.57/86,619.66
  6. Step 6: Final answer
    x = 48,891.73

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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.