Home / 113,426.60-170,132.70-38,546.60

Finding the Fourth Proportional to 113,426.60, 170,132.70 and 38,546.60

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Solution

The fourth proportional to 113,426.60, 170,132.70 and 38,546.60 is: 57,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,426.60 : 170,132.70 = 38,546.60 : x
  2. Step 2: Convert to fraction form
    113,426.60/170,132.70 = 38,546.60/x
  3. Step 3: Cross multiply
    113,426.60x = 170,132.70 × 38,546.60
  4. Step 4: Simplify right side
    113,426.60x = 6,558,037,133.82
  5. Step 5: Solve for x
    x = 6,558,037,133.82/113,426.60
  6. Step 6: Final answer
    x = 57,817.45

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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.