Home / 53,208.66-73,433.07-31,987.47

Finding the Fourth Proportional to 53,208.66, 73,433.07 and 31,987.47

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Solution

The fourth proportional to 53,208.66, 73,433.07 and 31,987.47 is: 44,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,208.66 : 73,433.07 = 31,987.47 : x
  2. Step 2: Convert to fraction form
    53,208.66/73,433.07 = 31,987.47/x
  3. Step 3: Cross multiply
    53,208.66x = 73,433.07 × 31,987.47
  4. Step 4: Simplify right side
    53,208.66x = 2,348,938,123.63
  5. Step 5: Solve for x
    x = 2,348,938,123.63/53,208.66
  6. Step 6: Final answer
    x = 44,145.79

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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.