Home / 86,450.22-129,689.16-36,530.80

Finding the Fourth Proportional to 86,450.22, 129,689.16 and 36,530.80

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Solution

The fourth proportional to 86,450.22, 129,689.16 and 36,530.80 is: 54,802.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,450.22 : 129,689.16 = 36,530.80 : x
  2. Step 2: Convert to fraction form
    86,450.22/129,689.16 = 36,530.80/x
  3. Step 3: Cross multiply
    86,450.22x = 129,689.16 × 36,530.80
  4. Step 4: Simplify right side
    86,450.22x = 4,737,648,766.13
  5. Step 5: Solve for x
    x = 4,737,648,766.13/86,450.22
  6. Step 6: Final answer
    x = 54,802.04

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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.