Home / 93,942.12-129,640.66-50,921.72

Finding the Fourth Proportional to 93,942.12, 129,640.66 and 50,921.72

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Solution

The fourth proportional to 93,942.12, 129,640.66 and 50,921.72 is: 70,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,942.12 : 129,640.66 = 50,921.72 : x
  2. Step 2: Convert to fraction form
    93,942.12/129,640.66 = 50,921.72/x
  3. Step 3: Cross multiply
    93,942.12x = 129,640.66 × 50,921.72
  4. Step 4: Simplify right side
    93,942.12x = 6,601,525,389.14
  5. Step 5: Solve for x
    x = 6,601,525,389.14/93,942.12
  6. Step 6: Final answer
    x = 70,272.26

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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.