Home / 80,950.06-121,395.93-34,206.58

Finding the Fourth Proportional to 80,950.06, 121,395.93 and 34,206.58

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Solution

The fourth proportional to 80,950.06, 121,395.93 and 34,206.58 is: 51,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,950.06 : 121,395.93 = 34,206.58 : x
  2. Step 2: Convert to fraction form
    80,950.06/121,395.93 = 34,206.58/x
  3. Step 3: Cross multiply
    80,950.06x = 121,395.93 × 34,206.58
  4. Step 4: Simplify right side
    80,950.06x = 4,152,539,591.22
  5. Step 5: Solve for x
    x = 4,152,539,591.22/80,950.06
  6. Step 6: Final answer
    x = 51,297.55

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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.