Home / 93,418.42-128,916.21-50,976.22

Finding the Fourth Proportional to 93,418.42, 128,916.21 and 50,976.22

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Solution

The fourth proportional to 93,418.42, 128,916.21 and 50,976.22 is: 70,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,418.42 : 128,916.21 = 50,976.22 : x
  2. Step 2: Convert to fraction form
    93,418.42/128,916.21 = 50,976.22/x
  3. Step 3: Cross multiply
    93,418.42x = 128,916.21 × 50,976.22
  4. Step 4: Simplify right side
    93,418.42x = 6,571,661,082.53
  5. Step 5: Solve for x
    x = 6,571,661,082.53/93,418.42
  6. Step 6: Final answer
    x = 70,346.52

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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.