Home / 73,985.52-111,057.25-31,886.38

Finding the Fourth Proportional to 73,985.52, 111,057.25 and 31,886.38

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Solution

The fourth proportional to 73,985.52, 111,057.25 and 31,886.38 is: 47,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,985.52 : 111,057.25 = 31,886.38 : x
  2. Step 2: Convert to fraction form
    73,985.52/111,057.25 = 31,886.38/x
  3. Step 3: Cross multiply
    73,985.52x = 111,057.25 × 31,886.38
  4. Step 4: Simplify right side
    73,985.52x = 3,541,213,199.68
  5. Step 5: Solve for x
    x = 3,541,213,199.68/73,985.52
  6. Step 6: Final answer
    x = 47,863.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.