Home / 124,149.48-171,326.70-67,561.08

Finding the Fourth Proportional to 124,149.48, 171,326.70 and 67,561.08

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Solution

The fourth proportional to 124,149.48, 171,326.70 and 67,561.08 is: 93,234.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,149.48 : 171,326.70 = 67,561.08 : x
  2. Step 2: Convert to fraction form
    124,149.48/171,326.70 = 67,561.08/x
  3. Step 3: Cross multiply
    124,149.48x = 171,326.70 × 67,561.08
  4. Step 4: Simplify right side
    124,149.48x = 11,575,016,884.84
  5. Step 5: Solve for x
    x = 11,575,016,884.84/124,149.48
  6. Step 6: Final answer
    x = 93,234.52

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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.