Home / 76,772.22-114,898.05-47,208.66

Finding the Fourth Proportional to 76,772.22, 114,898.05 and 47,208.66

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Solution

The fourth proportional to 76,772.22, 114,898.05 and 47,208.66 is: 70,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,772.22 : 114,898.05 = 47,208.66 : x
  2. Step 2: Convert to fraction form
    76,772.22/114,898.05 = 47,208.66/x
  3. Step 3: Cross multiply
    76,772.22x = 114,898.05 × 47,208.66
  4. Step 4: Simplify right side
    76,772.22x = 5,424,182,977.11
  5. Step 5: Solve for x
    x = 5,424,182,977.11/76,772.22
  6. Step 6: Final answer
    x = 70,652.94

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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.