Home / 52,076.69-78,336.77-47,205.15

Finding the Fourth Proportional to 52,076.69, 78,336.77 and 47,205.15

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Solution

The fourth proportional to 52,076.69, 78,336.77 and 47,205.15 is: 71,008.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,076.69 : 78,336.77 = 47,205.15 : x
  2. Step 2: Convert to fraction form
    52,076.69/78,336.77 = 47,205.15/x
  3. Step 3: Cross multiply
    52,076.69x = 78,336.77 × 47,205.15
  4. Step 4: Simplify right side
    52,076.69x = 3,697,898,742.34
  5. Step 5: Solve for x
    x = 3,697,898,742.34/52,076.69
  6. Step 6: Final answer
    x = 71,008.72

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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.