Home / 55,586.85-76,658.03-51,458.55

Finding the Fourth Proportional to 55,586.85, 76,658.03 and 51,458.55

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Solution

The fourth proportional to 55,586.85, 76,658.03 and 51,458.55 is: 70,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,586.85 : 76,658.03 = 51,458.55 : x
  2. Step 2: Convert to fraction form
    55,586.85/76,658.03 = 51,458.55/x
  3. Step 3: Cross multiply
    55,586.85x = 76,658.03 × 51,458.55
  4. Step 4: Simplify right side
    55,586.85x = 3,944,710,812.36
  5. Step 5: Solve for x
    x = 3,944,710,812.36/55,586.85
  6. Step 6: Final answer
    x = 70,964.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.