Home / 96,917.91-133,727.12-56,623.89

Finding the Fourth Proportional to 96,917.91, 133,727.12 and 56,623.89

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Solution

The fourth proportional to 96,917.91, 133,727.12 and 56,623.89 is: 78,129.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,917.91 : 133,727.12 = 56,623.89 : x
  2. Step 2: Convert to fraction form
    96,917.91/133,727.12 = 56,623.89/x
  3. Step 3: Cross multiply
    96,917.91x = 133,727.12 × 56,623.89
  4. Step 4: Simplify right side
    96,917.91x = 7,572,149,449.78
  5. Step 5: Solve for x
    x = 7,572,149,449.78/96,917.91
  6. Step 6: Final answer
    x = 78,129.52

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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.