Home / 52,292.56-78,438.15-12,850.02

Finding the Fourth Proportional to 52,292.56, 78,438.15 and 12,850.02

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Solution

The fourth proportional to 52,292.56, 78,438.15 and 12,850.02 is: 19,274.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,292.56 : 78,438.15 = 12,850.02 : x
  2. Step 2: Convert to fraction form
    52,292.56/78,438.15 = 12,850.02/x
  3. Step 3: Cross multiply
    52,292.56x = 78,438.15 × 12,850.02
  4. Step 4: Simplify right side
    52,292.56x = 1,007,931,796.26
  5. Step 5: Solve for x
    x = 1,007,931,796.26/52,292.56
  6. Step 6: Final answer
    x = 19,274.86

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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.