Home / 52,610.28-78,915.41-19,315.93

Finding the Fourth Proportional to 52,610.28, 78,915.41 and 19,315.93

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Solution

The fourth proportional to 52,610.28, 78,915.41 and 19,315.93 is: 28,973.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,610.28 : 78,915.41 = 19,315.93 : x
  2. Step 2: Convert to fraction form
    52,610.28/78,915.41 = 19,315.93/x
  3. Step 3: Cross multiply
    52,610.28x = 78,915.41 × 19,315.93
  4. Step 4: Simplify right side
    52,610.28x = 1,524,324,438.90
  5. Step 5: Solve for x
    x = 1,524,324,438.90/52,610.28
  6. Step 6: Final answer
    x = 28,973.89

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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.