Home / 71,461.21-98,613.99-39,633.07

Finding the Fourth Proportional to 71,461.21, 98,613.99 and 39,633.07

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Solution

The fourth proportional to 71,461.21, 98,613.99 and 39,633.07 is: 54,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,461.21 : 98,613.99 = 39,633.07 : x
  2. Step 2: Convert to fraction form
    71,461.21/98,613.99 = 39,633.07/x
  3. Step 3: Cross multiply
    71,461.21x = 98,613.99 × 39,633.07
  4. Step 4: Simplify right side
    71,461.21x = 3,908,375,551.57
  5. Step 5: Solve for x
    x = 3,908,375,551.57/71,461.21
  6. Step 6: Final answer
    x = 54,692.26

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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.