Home / 83,733.48-115,511.67-55,462.86

Finding the Fourth Proportional to 83,733.48, 115,511.67 and 55,462.86

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Solution

The fourth proportional to 83,733.48, 115,511.67 and 55,462.86 is: 76,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,733.48 : 115,511.67 = 55,462.86 : x
  2. Step 2: Convert to fraction form
    83,733.48/115,511.67 = 55,462.86/x
  3. Step 3: Cross multiply
    83,733.48x = 115,511.67 × 55,462.86
  4. Step 4: Simplify right side
    83,733.48x = 6,406,607,581.58
  5. Step 5: Solve for x
    x = 6,406,607,581.58/83,733.48
  6. Step 6: Final answer
    x = 76,511.90

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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.