Home / 113,675.25-156,869.77-62,692.69

Finding the Fourth Proportional to 113,675.25, 156,869.77 and 62,692.69

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Solution

The fourth proportional to 113,675.25, 156,869.77 and 62,692.69 is: 86,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,675.25 : 156,869.77 = 62,692.69 : x
  2. Step 2: Convert to fraction form
    113,675.25/156,869.77 = 62,692.69/x
  3. Step 3: Cross multiply
    113,675.25x = 156,869.77 × 62,692.69
  4. Step 4: Simplify right side
    113,675.25x = 9,834,586,763.17
  5. Step 5: Solve for x
    x = 9,834,586,763.17/113,675.25
  6. Step 6: Final answer
    x = 86,514.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.