Home / 76,530.04-114,791.88-26,621.44

Finding the Fourth Proportional to 76,530.04, 114,791.88 and 26,621.44

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Solution

The fourth proportional to 76,530.04, 114,791.88 and 26,621.44 is: 39,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,530.04 : 114,791.88 = 26,621.44 : x
  2. Step 2: Convert to fraction form
    76,530.04/114,791.88 = 26,621.44/x
  3. Step 3: Cross multiply
    76,530.04x = 114,791.88 × 26,621.44
  4. Step 4: Simplify right side
    76,530.04x = 3,055,925,145.91
  5. Step 5: Solve for x
    x = 3,055,925,145.91/76,530.04
  6. Step 6: Final answer
    x = 39,931.05

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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.