Home / 124,969.61-172,457.33-67,608.74

Finding the Fourth Proportional to 124,969.61, 172,457.33 and 67,608.74

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Solution

The fourth proportional to 124,969.61, 172,457.33 and 67,608.74 is: 93,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,969.61 : 172,457.33 = 67,608.74 : x
  2. Step 2: Convert to fraction form
    124,969.61/172,457.33 = 67,608.74/x
  3. Step 3: Cross multiply
    124,969.61x = 172,457.33 × 67,608.74
  4. Step 4: Simplify right side
    124,969.61x = 11,659,622,878.16
  5. Step 5: Solve for x
    x = 11,659,622,878.16/124,969.61
  6. Step 6: Final answer
    x = 93,299.66

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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.