Home / 124,394.02-171,663.60-67,805.38

Finding the Fourth Proportional to 124,394.02, 171,663.60 and 67,805.38

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Solution

The fourth proportional to 124,394.02, 171,663.60 and 67,805.38 is: 93,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,394.02 : 171,663.60 = 67,805.38 : x
  2. Step 2: Convert to fraction form
    124,394.02/171,663.60 = 67,805.38/x
  3. Step 3: Cross multiply
    124,394.02x = 171,663.60 × 67,805.38
  4. Step 4: Simplify right side
    124,394.02x = 11,639,715,630.17
  5. Step 5: Solve for x
    x = 11,639,715,630.17/124,394.02
  6. Step 6: Final answer
    x = 93,571.34

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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.