Home / 111,432.60-166,991.73-61,535.16

Finding the Fourth Proportional to 111,432.60, 166,991.73 and 61,535.16

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Solution

The fourth proportional to 111,432.60, 166,991.73 and 61,535.16 is: 92,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,432.60 : 166,991.73 = 61,535.16 : x
  2. Step 2: Convert to fraction form
    111,432.60/166,991.73 = 61,535.16/x
  3. Step 3: Cross multiply
    111,432.60x = 166,991.73 × 61,535.16
  4. Step 4: Simplify right side
    111,432.60x = 10,275,862,824.23
  5. Step 5: Solve for x
    x = 10,275,862,824.23/111,432.60
  6. Step 6: Final answer
    x = 92,215.95

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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.