Home / 113,717.35-156,928-62,734.96

Finding the Fourth Proportional to 113,717.35, 156,928 and 62,734.96

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Solution

The fourth proportional to 113,717.35, 156,928 and 62,734.96 is: 86,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,717.35 : 156,928 = 62,734.96 : x
  2. Step 2: Convert to fraction form
    113,717.35/156,928 = 62,734.96/x
  3. Step 3: Cross multiply
    113,717.35x = 156,928 × 62,734.96
  4. Step 4: Simplify right side
    113,717.35x = 9,844,871,802.88
  5. Step 5: Solve for x
    x = 9,844,871,802.88/113,717.35
  6. Step 6: Final answer
    x = 86,573.17

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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.