Home / 52,971.41-73,121.38-31,746.58

Finding the Fourth Proportional to 52,971.41, 73,121.38 and 31,746.58

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Solution

The fourth proportional to 52,971.41, 73,121.38 and 31,746.58 is: 43,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,971.41 : 73,121.38 = 31,746.58 : x
  2. Step 2: Convert to fraction form
    52,971.41/73,121.38 = 31,746.58/x
  3. Step 3: Cross multiply
    52,971.41x = 73,121.38 × 31,746.58
  4. Step 4: Simplify right side
    52,971.41x = 2,321,353,477.71
  5. Step 5: Solve for x
    x = 2,321,353,477.71/52,971.41
  6. Step 6: Final answer
    x = 43,822.76

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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.