Home / 85,855.04-118,479.95-47,620.44

Finding the Fourth Proportional to 85,855.04, 118,479.95 and 47,620.44

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Solution

The fourth proportional to 85,855.04, 118,479.95 and 47,620.44 is: 65,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,855.04 : 118,479.95 = 47,620.44 : x
  2. Step 2: Convert to fraction form
    85,855.04/118,479.95 = 47,620.44/x
  3. Step 3: Cross multiply
    85,855.04x = 118,479.95 × 47,620.44
  4. Step 4: Simplify right side
    85,855.04x = 5,642,067,350.18
  5. Step 5: Solve for x
    x = 5,642,067,350.18/85,855.04
  6. Step 6: Final answer
    x = 65,716.20

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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.