Home / 111,288.31-166,870.17-48,068.95

Finding the Fourth Proportional to 111,288.31, 166,870.17 and 48,068.95

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Solution

The fourth proportional to 111,288.31, 166,870.17 and 48,068.95 is: 72,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,288.31 : 166,870.17 = 48,068.95 : x
  2. Step 2: Convert to fraction form
    111,288.31/166,870.17 = 48,068.95/x
  3. Step 3: Cross multiply
    111,288.31x = 166,870.17 × 48,068.95
  4. Step 4: Simplify right side
    111,288.31x = 8,021,273,858.22
  5. Step 5: Solve for x
    x = 8,021,273,858.22/111,288.31
  6. Step 6: Final answer
    x = 72,076.52

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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.