Home / 115,077-172,617.66-31,973.16

Finding the Fourth Proportional to 115,077, 172,617.66 and 31,973.16

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Solution

The fourth proportional to 115,077, 172,617.66 and 31,973.16 is: 47,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,077 : 172,617.66 = 31,973.16 : x
  2. Step 2: Convert to fraction form
    115,077/172,617.66 = 31,973.16/x
  3. Step 3: Cross multiply
    115,077x = 172,617.66 × 31,973.16
  4. Step 4: Simplify right side
    115,077x = 5,519,132,062.01
  5. Step 5: Solve for x
    x = 5,519,132,062.01/115,077
  6. Step 6: Final answer
    x = 47,960.34

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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.