Home / 115,151.41-172,688.54-44,057.51

Finding the Fourth Proportional to 115,151.41, 172,688.54 and 44,057.51

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Solution

The fourth proportional to 115,151.41, 172,688.54 and 44,057.51 is: 66,071.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,151.41 : 172,688.54 = 44,057.51 : x
  2. Step 2: Convert to fraction form
    115,151.41/172,688.54 = 44,057.51/x
  3. Step 3: Cross multiply
    115,151.41x = 172,688.54 × 44,057.51
  4. Step 4: Simplify right side
    115,151.41x = 7,608,227,077.94
  5. Step 5: Solve for x
    x = 7,608,227,077.94/115,151.41
  6. Step 6: Final answer
    x = 66,071.51

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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.