Home / 96,696.09-145,051.16-40,479.66

Finding the Fourth Proportional to 96,696.09, 145,051.16 and 40,479.66

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Solution

The fourth proportional to 96,696.09, 145,051.16 and 40,479.66 is: 60,722.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,696.09 : 145,051.16 = 40,479.66 : x
  2. Step 2: Convert to fraction form
    96,696.09/145,051.16 = 40,479.66/x
  3. Step 3: Cross multiply
    96,696.09x = 145,051.16 × 40,479.66
  4. Step 4: Simplify right side
    96,696.09x = 5,871,621,437.01
  5. Step 5: Solve for x
    x = 5,871,621,437.01/96,696.09
  6. Step 6: Final answer
    x = 60,722.43

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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.