Home / 92,429.35-138,638.55-25,868.00

Finding the Fourth Proportional to 92,429.35, 138,638.55 and 25,868.00

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Solution

The fourth proportional to 92,429.35, 138,638.55 and 25,868.00 is: 38,800.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,429.35 : 138,638.55 = 25,868.00 : x
  2. Step 2: Convert to fraction form
    92,429.35/138,638.55 = 25,868.00/x
  3. Step 3: Cross multiply
    92,429.35x = 138,638.55 × 25,868.00
  4. Step 4: Simplify right side
    92,429.35x = 3,586,302,455.00
  5. Step 5: Solve for x
    x = 3,586,302,455.00/92,429.35
  6. Step 6: Final answer
    x = 38,800.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.