Home / 53,835.49-74,297.01-31,180.60

Finding the Fourth Proportional to 53,835.49, 74,297.01 and 31,180.60

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Solution

The fourth proportional to 53,835.49, 74,297.01 and 31,180.60 is: 43,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,835.49 : 74,297.01 = 31,180.60 : x
  2. Step 2: Convert to fraction form
    53,835.49/74,297.01 = 31,180.60/x
  3. Step 3: Cross multiply
    53,835.49x = 74,297.01 × 31,180.60
  4. Step 4: Simplify right side
    53,835.49x = 2,316,625,350.01
  5. Step 5: Solve for x
    x = 2,316,625,350.01/53,835.49
  6. Step 6: Final answer
    x = 43,031.56

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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.