Home / 113,135.60-169,725.29-43,009.45

Finding the Fourth Proportional to 113,135.60, 169,725.29 and 43,009.45

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Solution

The fourth proportional to 113,135.60, 169,725.29 and 43,009.45 is: 64,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,135.60 : 169,725.29 = 43,009.45 : x
  2. Step 2: Convert to fraction form
    113,135.60/169,725.29 = 43,009.45/x
  3. Step 3: Cross multiply
    113,135.60x = 169,725.29 × 43,009.45
  4. Step 4: Simplify right side
    113,135.60x = 7,299,790,734.63
  5. Step 5: Solve for x
    x = 7,299,790,734.63/113,135.60
  6. Step 6: Final answer
    x = 64,522.49

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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.