Home / 77,476.64-116,277.23-40,047.68

Finding the Fourth Proportional to 77,476.64, 116,277.23 and 40,047.68

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Solution

The fourth proportional to 77,476.64, 116,277.23 and 40,047.68 is: 60,103.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,476.64 : 116,277.23 = 40,047.68 : x
  2. Step 2: Convert to fraction form
    77,476.64/116,277.23 = 40,047.68/x
  3. Step 3: Cross multiply
    77,476.64x = 116,277.23 × 40,047.68
  4. Step 4: Simplify right side
    77,476.64x = 4,656,633,689.14
  5. Step 5: Solve for x
    x = 4,656,633,689.14/77,476.64
  6. Step 6: Final answer
    x = 60,103.72

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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.