Home / 51,859.93-77,763.81-30,228.36

Finding the Fourth Proportional to 51,859.93, 77,763.81 and 30,228.36

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Solution

The fourth proportional to 51,859.93, 77,763.81 and 30,228.36 is: 45,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,859.93 : 77,763.81 = 30,228.36 : x
  2. Step 2: Convert to fraction form
    51,859.93/77,763.81 = 30,228.36/x
  3. Step 3: Cross multiply
    51,859.93x = 77,763.81 × 30,228.36
  4. Step 4: Simplify right side
    51,859.93x = 2,350,672,265.39
  5. Step 5: Solve for x
    x = 2,350,672,265.39/51,859.93
  6. Step 6: Final answer
    x = 45,327.33

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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.