Home / 93,249.57-128,684.32-50,808.12

Finding the Fourth Proportional to 93,249.57, 128,684.32 and 50,808.12

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Solution

The fourth proportional to 93,249.57, 128,684.32 and 50,808.12 is: 70,115.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,249.57 : 128,684.32 = 50,808.12 : x
  2. Step 2: Convert to fraction form
    93,249.57/128,684.32 = 50,808.12/x
  3. Step 3: Cross multiply
    93,249.57x = 128,684.32 × 50,808.12
  4. Step 4: Simplify right side
    93,249.57x = 6,538,208,372.68
  5. Step 5: Solve for x
    x = 6,538,208,372.68/93,249.57
  6. Step 6: Final answer
    x = 70,115.16

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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.