Home / 113,131.12-156,116.66-62,833.36

Finding the Fourth Proportional to 113,131.12, 156,116.66 and 62,833.36

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Solution

The fourth proportional to 113,131.12, 156,116.66 and 62,833.36 is: 86,707.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,131.12 : 156,116.66 = 62,833.36 : x
  2. Step 2: Convert to fraction form
    113,131.12/156,116.66 = 62,833.36/x
  3. Step 3: Cross multiply
    113,131.12x = 156,116.66 × 62,833.36
  4. Step 4: Simplify right side
    113,131.12x = 9,809,334,299.78
  5. Step 5: Solve for x
    x = 9,809,334,299.78/113,131.12
  6. Step 6: Final answer
    x = 86,707.66

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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.