Home / 77,253.51-115,682.09-53,527.35

Finding the Fourth Proportional to 77,253.51, 115,682.09 and 53,527.35

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Solution

The fourth proportional to 77,253.51, 115,682.09 and 53,527.35 is: 80,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,253.51 : 115,682.09 = 53,527.35 : x
  2. Step 2: Convert to fraction form
    77,253.51/115,682.09 = 53,527.35/x
  3. Step 3: Cross multiply
    77,253.51x = 115,682.09 × 53,527.35
  4. Step 4: Simplify right side
    77,253.51x = 6,192,155,452.52
  5. Step 5: Solve for x
    x = 6,192,155,452.52/77,253.51
  6. Step 6: Final answer
    x = 80,153.71

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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.