Home / 93,736.79-129,336.77-55,508.35

Finding the Fourth Proportional to 93,736.79, 129,336.77 and 55,508.35

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Solution

The fourth proportional to 93,736.79, 129,336.77 and 55,508.35 is: 76,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,736.79 : 129,336.77 = 55,508.35 : x
  2. Step 2: Convert to fraction form
    93,736.79/129,336.77 = 55,508.35/x
  3. Step 3: Cross multiply
    93,736.79x = 129,336.77 × 55,508.35
  4. Step 4: Simplify right side
    93,736.79x = 7,179,269,772.80
  5. Step 5: Solve for x
    x = 7,179,269,772.80/93,736.79
  6. Step 6: Final answer
    x = 76,589.67

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1.5x scale

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.