Home / 109,917.95-151,684.29-62,171.24

Finding the Fourth Proportional to 109,917.95, 151,684.29 and 62,171.24

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Solution

The fourth proportional to 109,917.95, 151,684.29 and 62,171.24 is: 85,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,917.95 : 151,684.29 = 62,171.24 : x
  2. Step 2: Convert to fraction form
    109,917.95/151,684.29 = 62,171.24/x
  3. Step 3: Cross multiply
    109,917.95x = 151,684.29 × 62,171.24
  4. Step 4: Simplify right side
    109,917.95x = 9,430,399,639.40
  5. Step 5: Solve for x
    x = 9,430,399,639.40/109,917.95
  6. Step 6: Final answer
    x = 85,794.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.