Home / 123,589.74-170,562.58-69,875.26

Finding the Fourth Proportional to 123,589.74, 170,562.58 and 69,875.26

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Solution

The fourth proportional to 123,589.74, 170,562.58 and 69,875.26 is: 96,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,589.74 : 170,562.58 = 69,875.26 : x
  2. Step 2: Convert to fraction form
    123,589.74/170,562.58 = 69,875.26/x
  3. Step 3: Cross multiply
    123,589.74x = 170,562.58 × 69,875.26
  4. Step 4: Simplify right side
    123,589.74x = 11,918,104,623.77
  5. Step 5: Solve for x
    x = 11,918,104,623.77/123,589.74
  6. Step 6: Final answer
    x = 96,432.80

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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.