Home / 93,469.47-139,958.16-55,940.55

Finding the Fourth Proportional to 93,469.47, 139,958.16 and 55,940.55

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Solution

The fourth proportional to 93,469.47, 139,958.16 and 55,940.55 is: 83,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,469.47 : 139,958.16 = 55,940.55 : x
  2. Step 2: Convert to fraction form
    93,469.47/139,958.16 = 55,940.55/x
  3. Step 3: Cross multiply
    93,469.47x = 139,958.16 × 55,940.55
  4. Step 4: Simplify right side
    93,469.47x = 7,829,336,447.39
  5. Step 5: Solve for x
    x = 7,829,336,447.39/93,469.47
  6. Step 6: Final answer
    x = 83,763.57

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1.5x scale

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.