Home / 52,419.84-78,615.96-35,776.80

Finding the Fourth Proportional to 52,419.84, 78,615.96 and 35,776.80

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Solution

The fourth proportional to 52,419.84, 78,615.96 and 35,776.80 is: 53,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,419.84 : 78,615.96 = 35,776.80 : x
  2. Step 2: Convert to fraction form
    52,419.84/78,615.96 = 35,776.80/x
  3. Step 3: Cross multiply
    52,419.84x = 78,615.96 × 35,776.80
  4. Step 4: Simplify right side
    52,419.84x = 2,812,627,477.73
  5. Step 5: Solve for x
    x = 2,812,627,477.73/52,419.84
  6. Step 6: Final answer
    x = 53,655.78

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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.