Home / 62,976-86,899.28-36,117.12

Finding the Fourth Proportional to 62,976, 86,899.28 and 36,117.12

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Solution

The fourth proportional to 62,976, 86,899.28 and 36,117.12 is: 49,837.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,976 : 86,899.28 = 36,117.12 : x
  2. Step 2: Convert to fraction form
    62,976/86,899.28 = 36,117.12/x
  3. Step 3: Cross multiply
    62,976x = 86,899.28 × 36,117.12
  4. Step 4: Simplify right side
    62,976x = 3,138,551,723.67
  5. Step 5: Solve for x
    x = 3,138,551,723.67/62,976
  6. Step 6: Final answer
    x = 49,837.27

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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.