Home / 76,621.72-114,895.56-26,700.64

Finding the Fourth Proportional to 76,621.72, 114,895.56 and 26,700.64

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Solution

The fourth proportional to 76,621.72, 114,895.56 and 26,700.64 is: 40,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,621.72 : 114,895.56 = 26,700.64 : x
  2. Step 2: Convert to fraction form
    76,621.72/114,895.56 = 26,700.64/x
  3. Step 3: Cross multiply
    76,621.72x = 114,895.56 × 26,700.64
  4. Step 4: Simplify right side
    76,621.72x = 3,067,784,985.16
  5. Step 5: Solve for x
    x = 3,067,784,985.16/76,621.72
  6. Step 6: Final answer
    x = 40,038.06

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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.