Home / 52,153.98-71,953.80-31,729.02

Finding the Fourth Proportional to 52,153.98, 71,953.80 and 31,729.02

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Solution

The fourth proportional to 52,153.98, 71,953.80 and 31,729.02 is: 43,774.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,153.98 : 71,953.80 = 31,729.02 : x
  2. Step 2: Convert to fraction form
    52,153.98/71,953.80 = 31,729.02/x
  3. Step 3: Cross multiply
    52,153.98x = 71,953.80 × 31,729.02
  4. Step 4: Simplify right side
    52,153.98x = 2,283,023,559.28
  5. Step 5: Solve for x
    x = 2,283,023,559.28/52,153.98
  6. Step 6: Final answer
    x = 43,774.68

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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.