Home / 113,788.87-156,996.27-68,444.16

Finding the Fourth Proportional to 113,788.87, 156,996.27 and 68,444.16

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Solution

The fourth proportional to 113,788.87, 156,996.27 and 68,444.16 is: 94,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,788.87 : 156,996.27 = 68,444.16 : x
  2. Step 2: Convert to fraction form
    113,788.87/156,996.27 = 68,444.16/x
  3. Step 3: Cross multiply
    113,788.87x = 156,996.27 × 68,444.16
  4. Step 4: Simplify right side
    113,788.87x = 10,745,477,823.28
  5. Step 5: Solve for x
    x = 10,745,477,823.28/113,788.87
  6. Step 6: Final answer
    x = 94,433.47

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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.