Home / 104,914.29-157,372.53-83,987.37

Finding the Fourth Proportional to 104,914.29, 157,372.53 and 83,987.37

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Solution

The fourth proportional to 104,914.29, 157,372.53 and 83,987.37 is: 125,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,914.29 : 157,372.53 = 83,987.37 : x
  2. Step 2: Convert to fraction form
    104,914.29/157,372.53 = 83,987.37/x
  3. Step 3: Cross multiply
    104,914.29x = 157,372.53 × 83,987.37
  4. Step 4: Simplify right side
    104,914.29x = 13,217,304,904.95
  5. Step 5: Solve for x
    x = 13,217,304,904.95/104,914.29
  6. Step 6: Final answer
    x = 125,981.93

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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.