Home / 104,158.14-143,713.35-61,709.28

Finding the Fourth Proportional to 104,158.14, 143,713.35 and 61,709.28

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Solution

The fourth proportional to 104,158.14, 143,713.35 and 61,709.28 is: 85,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,158.14 : 143,713.35 = 61,709.28 : x
  2. Step 2: Convert to fraction form
    104,158.14/143,713.35 = 61,709.28/x
  3. Step 3: Cross multiply
    104,158.14x = 143,713.35 × 61,709.28
  4. Step 4: Simplify right side
    104,158.14x = 8,868,447,354.89
  5. Step 5: Solve for x
    x = 8,868,447,354.89/104,158.14
  6. Step 6: Final answer
    x = 85,144.06

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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.