Home / 109,755.45-151,460.33-62,010.81

Finding the Fourth Proportional to 109,755.45, 151,460.33 and 62,010.81

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Solution

The fourth proportional to 109,755.45, 151,460.33 and 62,010.81 is: 85,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,755.45 : 151,460.33 = 62,010.81 : x
  2. Step 2: Convert to fraction form
    109,755.45/151,460.33 = 62,010.81/x
  3. Step 3: Cross multiply
    109,755.45x = 151,460.33 × 62,010.81
  4. Step 4: Simplify right side
    109,755.45x = 9,392,177,436.11
  5. Step 5: Solve for x
    x = 9,392,177,436.11/109,755.45
  6. Step 6: Final answer
    x = 85,573.68

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1.5x scale

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.