Home / 123,590.56-170,554.06-69,875.44

Finding the Fourth Proportional to 123,590.56, 170,554.06 and 69,875.44

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Solution

The fourth proportional to 123,590.56, 170,554.06 and 69,875.44 is: 96,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,590.56 : 170,554.06 = 69,875.44 : x
  2. Step 2: Convert to fraction form
    123,590.56/170,554.06 = 69,875.44/x
  3. Step 3: Cross multiply
    123,590.56x = 170,554.06 × 69,875.44
  4. Step 4: Simplify right side
    123,590.56x = 11,917,539,986.29
  5. Step 5: Solve for x
    x = 11,917,539,986.29/123,590.56
  6. Step 6: Final answer
    x = 96,427.59

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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.