Home / 73,867.45-110,623.63-42,181.58

Finding the Fourth Proportional to 73,867.45, 110,623.63 and 42,181.58

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Solution

The fourth proportional to 73,867.45, 110,623.63 and 42,181.58 is: 63,170.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,867.45 : 110,623.63 = 42,181.58 : x
  2. Step 2: Convert to fraction form
    73,867.45/110,623.63 = 42,181.58/x
  3. Step 3: Cross multiply
    73,867.45x = 110,623.63 × 42,181.58
  4. Step 4: Simplify right side
    73,867.45x = 4,666,279,364.49
  5. Step 5: Solve for x
    x = 4,666,279,364.49/73,867.45
  6. Step 6: Final answer
    x = 63,170.98

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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.