Home / 81,270.77-112,165.91-46,809.11

Finding the Fourth Proportional to 81,270.77, 112,165.91 and 46,809.11

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Solution

The fourth proportional to 81,270.77, 112,165.91 and 46,809.11 is: 64,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,270.77 : 112,165.91 = 46,809.11 : x
  2. Step 2: Convert to fraction form
    81,270.77/112,165.91 = 46,809.11/x
  3. Step 3: Cross multiply
    81,270.77x = 112,165.91 × 46,809.11
  4. Step 4: Simplify right side
    81,270.77x = 5,250,385,624.57
  5. Step 5: Solve for x
    x = 5,250,385,624.57/81,270.77
  6. Step 6: Final answer
    x = 64,603.62

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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.