Home / 123,303.36-170,159.22-69,590.64

Finding the Fourth Proportional to 123,303.36, 170,159.22 and 69,590.64

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Solution

The fourth proportional to 123,303.36, 170,159.22 and 69,590.64 is: 96,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,303.36 : 170,159.22 = 69,590.64 : x
  2. Step 2: Convert to fraction form
    123,303.36/170,159.22 = 69,590.64/x
  3. Step 3: Cross multiply
    123,303.36x = 170,159.22 × 69,590.64
  4. Step 4: Simplify right side
    123,303.36x = 11,841,489,021.70
  5. Step 5: Solve for x
    x = 11,841,489,021.70/123,303.36
  6. Step 6: Final answer
    x = 96,035.41

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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.