Home / 96,965.13-145,350.36-40,818.90

Finding the Fourth Proportional to 96,965.13, 145,350.36 and 40,818.90

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Solution

The fourth proportional to 96,965.13, 145,350.36 and 40,818.90 is: 61,187.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,965.13 : 145,350.36 = 40,818.90 : x
  2. Step 2: Convert to fraction form
    96,965.13/145,350.36 = 40,818.90/x
  3. Step 3: Cross multiply
    96,965.13x = 145,350.36 × 40,818.90
  4. Step 4: Simplify right side
    96,965.13x = 5,933,041,809.80
  5. Step 5: Solve for x
    x = 5,933,041,809.80/96,965.13
  6. Step 6: Final answer
    x = 61,187.38

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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.