Home / 52,732.99-72,760.28-31,229.50

Finding the Fourth Proportional to 52,732.99, 72,760.28 and 31,229.50

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Solution

The fourth proportional to 52,732.99, 72,760.28 and 31,229.50 is: 43,090.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,732.99 : 72,760.28 = 31,229.50 : x
  2. Step 2: Convert to fraction form
    52,732.99/72,760.28 = 31,229.50/x
  3. Step 3: Cross multiply
    52,732.99x = 72,760.28 × 31,229.50
  4. Step 4: Simplify right side
    52,732.99x = 2,272,266,962.64
  5. Step 5: Solve for x
    x = 2,272,266,962.64/52,732.99
  6. Step 6: Final answer
    x = 43,090.04

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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.