Home / 81,886.58-113,005.68-46,077.86

Finding the Fourth Proportional to 81,886.58, 113,005.68 and 46,077.86

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Solution

The fourth proportional to 81,886.58, 113,005.68 and 46,077.86 is: 63,588.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,886.58 : 113,005.68 = 46,077.86 : x
  2. Step 2: Convert to fraction form
    81,886.58/113,005.68 = 46,077.86/x
  3. Step 3: Cross multiply
    81,886.58x = 113,005.68 × 46,077.86
  4. Step 4: Simplify right side
    81,886.58x = 5,207,059,337.22
  5. Step 5: Solve for x
    x = 5,207,059,337.22/81,886.58
  6. Step 6: Final answer
    x = 63,588.68

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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.