Home / 96,710.22-133,448.18-56,433.78

Finding the Fourth Proportional to 96,710.22, 133,448.18 and 56,433.78

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Solution

The fourth proportional to 96,710.22, 133,448.18 and 56,433.78 is: 77,871.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,710.22 : 133,448.18 = 56,433.78 : x
  2. Step 2: Convert to fraction form
    96,710.22/133,448.18 = 56,433.78/x
  3. Step 3: Cross multiply
    96,710.22x = 133,448.18 × 56,433.78
  4. Step 4: Simplify right side
    96,710.22x = 7,530,984,949.35
  5. Step 5: Solve for x
    x = 7,530,984,949.35/96,710.22
  6. Step 6: Final answer
    x = 77,871.66

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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.