Home / 74,731.21-112,029.35-27,312.59

Finding the Fourth Proportional to 74,731.21, 112,029.35 and 27,312.59

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Solution

The fourth proportional to 74,731.21, 112,029.35 and 27,312.59 is: 40,944.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,731.21 : 112,029.35 = 27,312.59 : x
  2. Step 2: Convert to fraction form
    74,731.21/112,029.35 = 27,312.59/x
  3. Step 3: Cross multiply
    74,731.21x = 112,029.35 × 27,312.59
  4. Step 4: Simplify right side
    74,731.21x = 3,059,811,848.03
  5. Step 5: Solve for x
    x = 3,059,811,848.03/74,731.21
  6. Step 6: Final answer
    x = 40,944.23

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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.