Home / 127,727.61-191,613.97-52,805.77

Finding the Fourth Proportional to 127,727.61, 191,613.97 and 52,805.77

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Solution

The fourth proportional to 127,727.61, 191,613.97 and 52,805.77 is: 79,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,727.61 : 191,613.97 = 52,805.77 : x
  2. Step 2: Convert to fraction form
    127,727.61/191,613.97 = 52,805.77/x
  3. Step 3: Cross multiply
    127,727.61x = 191,613.97 × 52,805.77
  4. Step 4: Simplify right side
    127,727.61x = 10,118,323,228.61
  5. Step 5: Solve for x
    x = 10,118,323,228.61/127,727.61
  6. Step 6: Final answer
    x = 79,217.98

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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.