Home / 81,941.76-113,079.87-46,132.32

Finding the Fourth Proportional to 81,941.76, 113,079.87 and 46,132.32

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Solution

The fourth proportional to 81,941.76, 113,079.87 and 46,132.32 is: 63,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941.76 : 113,079.87 = 46,132.32 : x
  2. Step 2: Convert to fraction form
    81,941.76/113,079.87 = 46,132.32/x
  3. Step 3: Cross multiply
    81,941.76x = 113,079.87 × 46,132.32
  4. Step 4: Simplify right side
    81,941.76x = 5,216,636,748.40
  5. Step 5: Solve for x
    x = 5,216,636,748.40/81,941.76
  6. Step 6: Final answer
    x = 63,662.74

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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.