Home / 113,604.16-156,782.78-62,625.96

Finding the Fourth Proportional to 113,604.16, 156,782.78 and 62,625.96

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Solution

The fourth proportional to 113,604.16, 156,782.78 and 62,625.96 is: 86,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,604.16 : 156,782.78 = 62,625.96 : x
  2. Step 2: Convert to fraction form
    113,604.16/156,782.78 = 62,625.96/x
  3. Step 3: Cross multiply
    113,604.16x = 156,782.78 × 62,625.96
  4. Step 4: Simplify right side
    113,604.16x = 9,818,672,108.97
  5. Step 5: Solve for x
    x = 9,818,672,108.97/113,604.16
  6. Step 6: Final answer
    x = 86,428.81

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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.