Home / 113,316.48-169,986.60-38,433.60

Finding the Fourth Proportional to 113,316.48, 169,986.60 and 38,433.60

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Solution

The fourth proportional to 113,316.48, 169,986.60 and 38,433.60 is: 57,654.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,316.48 : 169,986.60 = 38,433.60 : x
  2. Step 2: Convert to fraction form
    113,316.48/169,986.60 = 38,433.60/x
  3. Step 3: Cross multiply
    113,316.48x = 169,986.60 × 38,433.60
  4. Step 4: Simplify right side
    113,316.48x = 6,533,196,989.76
  5. Step 5: Solve for x
    x = 6,533,196,989.76/113,316.48
  6. Step 6: Final answer
    x = 57,654.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.