Home / 113,783.70-156,956.22-66,030.96

Finding the Fourth Proportional to 113,783.70, 156,956.22 and 66,030.96

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Solution

The fourth proportional to 113,783.70, 156,956.22 and 66,030.96 is: 91,084.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,783.70 : 156,956.22 = 66,030.96 : x
  2. Step 2: Convert to fraction form
    113,783.70/156,956.22 = 66,030.96/x
  3. Step 3: Cross multiply
    113,783.70x = 156,956.22 × 66,030.96
  4. Step 4: Simplify right side
    113,783.70x = 10,363,969,884.57
  5. Step 5: Solve for x
    x = 10,363,969,884.57/113,783.70
  6. Step 6: Final answer
    x = 91,084.84

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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.