Home / 96,816.86-145,240.08-49,406.12

Finding the Fourth Proportional to 96,816.86, 145,240.08 and 49,406.12

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Solution

The fourth proportional to 96,816.86, 145,240.08 and 49,406.12 is: 74,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,816.86 : 145,240.08 = 49,406.12 : x
  2. Step 2: Convert to fraction form
    96,816.86/145,240.08 = 49,406.12/x
  3. Step 3: Cross multiply
    96,816.86x = 145,240.08 × 49,406.12
  4. Step 4: Simplify right side
    96,816.86x = 7,175,748,821.29
  5. Step 5: Solve for x
    x = 7,175,748,821.29/96,816.86
  6. Step 6: Final answer
    x = 74,116.73

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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.