Home / 104,781.51-157,172.40-25,894.53

Finding the Fourth Proportional to 104,781.51, 157,172.40 and 25,894.53

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Solution

The fourth proportional to 104,781.51, 157,172.40 and 25,894.53 is: 38,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,781.51 : 157,172.40 = 25,894.53 : x
  2. Step 2: Convert to fraction form
    104,781.51/157,172.40 = 25,894.53/x
  3. Step 3: Cross multiply
    104,781.51x = 157,172.40 × 25,894.53
  4. Step 4: Simplify right side
    104,781.51x = 4,069,905,426.97
  5. Step 5: Solve for x
    x = 4,069,905,426.97/104,781.51
  6. Step 6: Final answer
    x = 38,841.83

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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.