Home / 105,225.06-157,837.56-38,636.36

Finding the Fourth Proportional to 105,225.06, 157,837.56 and 38,636.36

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Solution

The fourth proportional to 105,225.06, 157,837.56 and 38,636.36 is: 57,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,225.06 : 157,837.56 = 38,636.36 : x
  2. Step 2: Convert to fraction form
    105,225.06/157,837.56 = 38,636.36/x
  3. Step 3: Cross multiply
    105,225.06x = 157,837.56 × 38,636.36
  4. Step 4: Simplify right side
    105,225.06x = 6,098,268,789.68
  5. Step 5: Solve for x
    x = 6,098,268,789.68/105,225.06
  6. Step 6: Final answer
    x = 57,954.53

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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.