Home / 52,077.94-78,338.64-47,206.40

Finding the Fourth Proportional to 52,077.94, 78,338.64 and 47,206.40

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Solution

The fourth proportional to 52,077.94, 78,338.64 and 47,206.40 is: 71,010.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,077.94 : 78,338.64 = 47,206.40 : x
  2. Step 2: Convert to fraction form
    52,077.94/78,338.64 = 47,206.40/x
  3. Step 3: Cross multiply
    52,077.94x = 78,338.64 × 47,206.40
  4. Step 4: Simplify right side
    52,077.94x = 3,698,085,175.30
  5. Step 5: Solve for x
    x = 3,698,085,175.30/52,077.94
  6. Step 6: Final answer
    x = 71,010.59

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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.