Home / 82,580.67-124,421.94-74,692.29

Finding the Fourth Proportional to 82,580.67, 124,421.94 and 74,692.29

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Solution

The fourth proportional to 82,580.67, 124,421.94 and 74,692.29 is: 112,536.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,580.67 : 124,421.94 = 74,692.29 : x
  2. Step 2: Convert to fraction form
    82,580.67/124,421.94 = 74,692.29/x
  3. Step 3: Cross multiply
    82,580.67x = 124,421.94 × 74,692.29
  4. Step 4: Simplify right side
    82,580.67x = 9,293,359,624.84
  5. Step 5: Solve for x
    x = 9,293,359,624.84/82,580.67
  6. Step 6: Final answer
    x = 112,536.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.