Home / 52,076.94-78,337.14-47,205.40

Finding the Fourth Proportional to 52,076.94, 78,337.14 and 47,205.40

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Solution

The fourth proportional to 52,076.94, 78,337.14 and 47,205.40 is: 71,009.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,076.94 : 78,337.14 = 47,205.40 : x
  2. Step 2: Convert to fraction form
    52,076.94/78,337.14 = 47,205.40/x
  3. Step 3: Cross multiply
    52,076.94x = 78,337.14 × 47,205.40
  4. Step 4: Simplify right side
    52,076.94x = 3,697,936,028.56
  5. Step 5: Solve for x
    x = 3,697,936,028.56/52,076.94
  6. Step 6: Final answer
    x = 71,009.10

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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.