Home / 124,615.02-171,969.26-68,027.61

Finding the Fourth Proportional to 124,615.02, 171,969.26 and 68,027.61

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Solution

The fourth proportional to 124,615.02, 171,969.26 and 68,027.61 is: 93,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,615.02 : 171,969.26 = 68,027.61 : x
  2. Step 2: Convert to fraction form
    124,615.02/171,969.26 = 68,027.61/x
  3. Step 3: Cross multiply
    124,615.02x = 171,969.26 × 68,027.61
  4. Step 4: Simplify right side
    124,615.02x = 11,698,657,751.27
  5. Step 5: Solve for x
    x = 11,698,657,751.27/124,615.02
  6. Step 6: Final answer
    x = 93,878.39

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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.