Home / 113,055.13-155,971.66-67,735.02

Finding the Fourth Proportional to 113,055.13, 155,971.66 and 67,735.02

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Solution

The fourth proportional to 113,055.13, 155,971.66 and 67,735.02 is: 93,447.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,055.13 : 155,971.66 = 67,735.02 : x
  2. Step 2: Convert to fraction form
    113,055.13/155,971.66 = 67,735.02/x
  3. Step 3: Cross multiply
    113,055.13x = 155,971.66 × 67,735.02
  4. Step 4: Simplify right side
    113,055.13x = 10,564,743,509.53
  5. Step 5: Solve for x
    x = 10,564,743,509.53/113,055.13
  6. Step 6: Final answer
    x = 93,447.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.