Home / 75,827.56-113,692.67-31,484.92

Finding the Fourth Proportional to 75,827.56, 113,692.67 and 31,484.92

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Solution

The fourth proportional to 75,827.56, 113,692.67 and 31,484.92 is: 47,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,827.56 : 113,692.67 = 31,484.92 : x
  2. Step 2: Convert to fraction form
    75,827.56/113,692.67 = 31,484.92/x
  3. Step 3: Cross multiply
    75,827.56x = 113,692.67 × 31,484.92
  4. Step 4: Simplify right side
    75,827.56x = 3,579,604,619.54
  5. Step 5: Solve for x
    x = 3,579,604,619.54/75,827.56
  6. Step 6: Final answer
    x = 47,207.17

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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.