Home / 113,845.60-170,752.20-38,969.20

Finding the Fourth Proportional to 113,845.60, 170,752.20 and 38,969.20

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Solution

The fourth proportional to 113,845.60, 170,752.20 and 38,969.20 is: 58,448.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,845.60 : 170,752.20 = 38,969.20 : x
  2. Step 2: Convert to fraction form
    113,845.60/170,752.20 = 38,969.20/x
  3. Step 3: Cross multiply
    113,845.60x = 170,752.20 × 38,969.20
  4. Step 4: Simplify right side
    113,845.60x = 6,654,076,632.24
  5. Step 5: Solve for x
    x = 6,654,076,632.24/113,845.60
  6. Step 6: Final answer
    x = 58,448.25

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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.