Home / 81,563.29-112,534.20-47,573.26

Finding the Fourth Proportional to 81,563.29, 112,534.20 and 47,573.26

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Solution

The fourth proportional to 81,563.29, 112,534.20 and 47,573.26 is: 65,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,563.29 : 112,534.20 = 47,573.26 : x
  2. Step 2: Convert to fraction form
    81,563.29/112,534.20 = 47,573.26/x
  3. Step 3: Cross multiply
    81,563.29x = 112,534.20 × 47,573.26
  4. Step 4: Simplify right side
    81,563.29x = 5,353,618,755.49
  5. Step 5: Solve for x
    x = 5,353,618,755.49/81,563.29
  6. Step 6: Final answer
    x = 65,637.60

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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.