Home / 107,703.95-161,556.01-51,530.81

Finding the Fourth Proportional to 107,703.95, 161,556.01 and 51,530.81

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Solution

The fourth proportional to 107,703.95, 161,556.01 and 51,530.81 is: 77,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,703.95 : 161,556.01 = 51,530.81 : x
  2. Step 2: Convert to fraction form
    107,703.95/161,556.01 = 51,530.81/x
  3. Step 3: Cross multiply
    107,703.95x = 161,556.01 × 51,530.81
  4. Step 4: Simplify right side
    107,703.95x = 8,325,111,119.06
  5. Step 5: Solve for x
    x = 8,325,111,119.06/107,703.95
  6. Step 6: Final answer
    x = 77,296.25

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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.