Home / 98,861.33-136,428.43-53,539.30

Finding the Fourth Proportional to 98,861.33, 136,428.43 and 53,539.30

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Solution

The fourth proportional to 98,861.33, 136,428.43 and 53,539.30 is: 73,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,861.33 : 136,428.43 = 53,539.30 : x
  2. Step 2: Convert to fraction form
    98,861.33/136,428.43 = 53,539.30/x
  3. Step 3: Cross multiply
    98,861.33x = 136,428.43 × 53,539.30
  4. Step 4: Simplify right side
    98,861.33x = 7,304,281,692.46
  5. Step 5: Solve for x
    x = 7,304,281,692.46/98,861.33
  6. Step 6: Final answer
    x = 73,884.11

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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.