Home / 109,870.89-151,620.99-62,125.94

Finding the Fourth Proportional to 109,870.89, 151,620.99 and 62,125.94

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Solution

The fourth proportional to 109,870.89, 151,620.99 and 62,125.94 is: 85,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,870.89 : 151,620.99 = 62,125.94 : x
  2. Step 2: Convert to fraction form
    109,870.89/151,620.99 = 62,125.94/x
  3. Step 3: Cross multiply
    109,870.89x = 151,620.99 × 62,125.94
  4. Step 4: Simplify right side
    109,870.89x = 9,419,595,769.38
  5. Step 5: Solve for x
    x = 9,419,595,769.38/109,870.89
  6. Step 6: Final answer
    x = 85,733.32

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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.