Home / 51,358.93-70,711.79-45,303.98

Finding the Fourth Proportional to 51,358.93, 70,711.79 and 45,303.98

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Solution

The fourth proportional to 51,358.93, 70,711.79 and 45,303.98 is: 62,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,358.93 : 70,711.79 = 45,303.98 : x
  2. Step 2: Convert to fraction form
    51,358.93/70,711.79 = 45,303.98/x
  3. Step 3: Cross multiply
    51,358.93x = 70,711.79 × 45,303.98
  4. Step 4: Simplify right side
    51,358.93x = 3,203,524,939.85
  5. Step 5: Solve for x
    x = 3,203,524,939.85/51,358.93
  6. Step 6: Final answer
    x = 62,375.23

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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.