Home / 124,243.12-171,457.50-67,654.48

Finding the Fourth Proportional to 124,243.12, 171,457.50 and 67,654.48

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Solution

The fourth proportional to 124,243.12, 171,457.50 and 67,654.48 is: 93,364.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,243.12 : 171,457.50 = 67,654.48 : x
  2. Step 2: Convert to fraction form
    124,243.12/171,457.50 = 67,654.48/x
  3. Step 3: Cross multiply
    124,243.12x = 171,457.50 × 67,654.48
  4. Step 4: Simplify right side
    124,243.12x = 11,599,868,004.60
  5. Step 5: Solve for x
    x = 11,599,868,004.60/124,243.12
  6. Step 6: Final answer
    x = 93,364.27

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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.