Home / 77,682.28-116,442.66-52,724.36

Finding the Fourth Proportional to 77,682.28, 116,442.66 and 52,724.36

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Solution

The fourth proportional to 77,682.28, 116,442.66 and 52,724.36 is: 79,031.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,682.28 : 116,442.66 = 52,724.36 : x
  2. Step 2: Convert to fraction form
    77,682.28/116,442.66 = 52,724.36/x
  3. Step 3: Cross multiply
    77,682.28x = 116,442.66 × 52,724.36
  4. Step 4: Simplify right side
    77,682.28x = 6,139,364,725.20
  5. Step 5: Solve for x
    x = 6,139,364,725.20/77,682.28
  6. Step 6: Final answer
    x = 79,031.73

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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.