Home / 115,769.51-159,608.77-83,477.10

Finding the Fourth Proportional to 115,769.51, 159,608.77 and 83,477.10

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Solution

The fourth proportional to 115,769.51, 159,608.77 and 83,477.10 is: 115,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,769.51 : 159,608.77 = 83,477.10 : x
  2. Step 2: Convert to fraction form
    115,769.51/159,608.77 = 83,477.10/x
  3. Step 3: Cross multiply
    115,769.51x = 159,608.77 × 83,477.10
  4. Step 4: Simplify right side
    115,769.51x = 13,323,677,045.47
  5. Step 5: Solve for x
    x = 13,323,677,045.47/115,769.51
  6. Step 6: Final answer
    x = 115,087.97

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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.