Home / 124,305.36-171,536.55-75,988.19

Finding the Fourth Proportional to 124,305.36, 171,536.55 and 75,988.19

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Solution

The fourth proportional to 124,305.36, 171,536.55 and 75,988.19 is: 104,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,305.36 : 171,536.55 = 75,988.19 : x
  2. Step 2: Convert to fraction form
    124,305.36/171,536.55 = 75,988.19/x
  3. Step 3: Cross multiply
    124,305.36x = 171,536.55 × 75,988.19
  4. Step 4: Simplify right side
    124,305.36x = 13,034,751,095.66
  5. Step 5: Solve for x
    x = 13,034,751,095.66/124,305.36
  6. Step 6: Final answer
    x = 104,860.73

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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.