Home / 55,627.32-76,753.26-31,746.36

Finding the Fourth Proportional to 55,627.32, 76,753.26 and 31,746.36

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Solution

The fourth proportional to 55,627.32, 76,753.26 and 31,746.36 is: 43,802.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627.32 : 76,753.26 = 31,746.36 : x
  2. Step 2: Convert to fraction form
    55,627.32/76,753.26 = 31,746.36/x
  3. Step 3: Cross multiply
    55,627.32x = 76,753.26 × 31,746.36
  4. Step 4: Simplify right side
    55,627.32x = 2,436,636,623.13
  5. Step 5: Solve for x
    x = 2,436,636,623.13/55,627.32
  6. Step 6: Final answer
    x = 43,802.88

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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.