Home / 100,960.29-151,465.14-51,039.32

Finding the Fourth Proportional to 100,960.29, 151,465.14 and 51,039.32

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Solution

The fourth proportional to 100,960.29, 151,465.14 and 51,039.32 is: 76,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,960.29 : 151,465.14 = 51,039.32 : x
  2. Step 2: Convert to fraction form
    100,960.29/151,465.14 = 51,039.32/x
  3. Step 3: Cross multiply
    100,960.29x = 151,465.14 × 51,039.32
  4. Step 4: Simplify right side
    100,960.29x = 7,730,676,991.98
  5. Step 5: Solve for x
    x = 7,730,676,991.98/100,960.29
  6. Step 6: Final answer
    x = 76,571.46

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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.