Home / 77,106.33-115,527.36-51,758.39

Finding the Fourth Proportional to 77,106.33, 115,527.36 and 51,758.39

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Solution

The fourth proportional to 77,106.33, 115,527.36 and 51,758.39 is: 77,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,106.33 : 115,527.36 = 51,758.39 : x
  2. Step 2: Convert to fraction form
    77,106.33/115,527.36 = 51,758.39/x
  3. Step 3: Cross multiply
    77,106.33x = 115,527.36 × 51,758.39
  4. Step 4: Simplify right side
    77,106.33x = 5,979,510,637.46
  5. Step 5: Solve for x
    x = 5,979,510,637.46/77,106.33
  6. Step 6: Final answer
    x = 77,548.89

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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.