Home / 104,687.18-157,028.65-25,802.09

Finding the Fourth Proportional to 104,687.18, 157,028.65 and 25,802.09

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Solution

The fourth proportional to 104,687.18, 157,028.65 and 25,802.09 is: 38,702.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,687.18 : 157,028.65 = 25,802.09 : x
  2. Step 2: Convert to fraction form
    104,687.18/157,028.65 = 25,802.09/x
  3. Step 3: Cross multiply
    104,687.18x = 157,028.65 × 25,802.09
  4. Step 4: Simplify right side
    104,687.18x = 4,051,667,687.94
  5. Step 5: Solve for x
    x = 4,051,667,687.94/104,687.18
  6. Step 6: Final answer
    x = 38,702.61

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1.5x scale

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.