Home / 104,299.13-143,957.70-61,882.26

Finding the Fourth Proportional to 104,299.13, 143,957.70 and 61,882.26

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Solution

The fourth proportional to 104,299.13, 143,957.70 and 61,882.26 is: 85,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,299.13 : 143,957.70 = 61,882.26 : x
  2. Step 2: Convert to fraction form
    104,299.13/143,957.70 = 61,882.26/x
  3. Step 3: Cross multiply
    104,299.13x = 143,957.70 × 61,882.26
  4. Step 4: Simplify right side
    104,299.13x = 8,908,427,820.40
  5. Step 5: Solve for x
    x = 8,908,427,820.40/104,299.13
  6. Step 6: Final answer
    x = 85,412.30

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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.