Home / 115,066.36-172,541.82-67,050.52

Finding the Fourth Proportional to 115,066.36, 172,541.82 and 67,050.52

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Solution

The fourth proportional to 115,066.36, 172,541.82 and 67,050.52 is: 100,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,066.36 : 172,541.82 = 67,050.52 : x
  2. Step 2: Convert to fraction form
    115,066.36/172,541.82 = 67,050.52/x
  3. Step 3: Cross multiply
    115,066.36x = 172,541.82 × 67,050.52
  4. Step 4: Simplify right side
    115,066.36x = 11,569,018,519.19
  5. Step 5: Solve for x
    x = 11,569,018,519.19/115,066.36
  6. Step 6: Final answer
    x = 100,542.14

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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.