Home / 81,821.18-112,913.91-46,010.89

Finding the Fourth Proportional to 81,821.18, 112,913.91 and 46,010.89

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Solution

The fourth proportional to 81,821.18, 112,913.91 and 46,010.89 is: 63,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,821.18 : 112,913.91 = 46,010.89 : x
  2. Step 2: Convert to fraction form
    81,821.18/112,913.91 = 46,010.89/x
  3. Step 3: Cross multiply
    81,821.18x = 112,913.91 × 46,010.89
  4. Step 4: Simplify right side
    81,821.18x = 5,195,269,492.48
  5. Step 5: Solve for x
    x = 5,195,269,492.48/81,821.18
  6. Step 6: Final answer
    x = 63,495.41

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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.