Home / 45,546.05-67,861.13-42,999.56

Finding the Fourth Proportional to 45,546.05, 67,861.13 and 42,999.56

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Solution

The fourth proportional to 45,546.05, 67,861.13 and 42,999.56 is: 64,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546.05 : 67,861.13 = 42,999.56 : x
  2. Step 2: Convert to fraction form
    45,546.05/67,861.13 = 42,999.56/x
  3. Step 3: Cross multiply
    45,546.05x = 67,861.13 × 42,999.56
  4. Step 4: Simplify right side
    45,546.05x = 2,917,999,008.25
  5. Step 5: Solve for x
    x = 2,917,999,008.25/45,546.05
  6. Step 6: Final answer
    x = 64,067.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.