Home / 73,546.08-110,319.16-31,390.72

Finding the Fourth Proportional to 73,546.08, 110,319.16 and 31,390.72

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Solution

The fourth proportional to 73,546.08, 110,319.16 and 31,390.72 is: 47,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,546.08 : 110,319.16 = 31,390.72 : x
  2. Step 2: Convert to fraction form
    73,546.08/110,319.16 = 31,390.72/x
  3. Step 3: Cross multiply
    73,546.08x = 110,319.16 × 31,390.72
  4. Step 4: Simplify right side
    73,546.08x = 3,462,997,862.20
  5. Step 5: Solve for x
    x = 3,462,997,862.20/73,546.08
  6. Step 6: Final answer
    x = 47,086.10

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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.