Home / 93,230.34-128,667.16-56,929.79

Finding the Fourth Proportional to 93,230.34, 128,667.16 and 56,929.79

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Solution

The fourth proportional to 93,230.34, 128,667.16 and 56,929.79 is: 78,568.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,230.34 : 128,667.16 = 56,929.79 : x
  2. Step 2: Convert to fraction form
    93,230.34/128,667.16 = 56,929.79/x
  3. Step 3: Cross multiply
    93,230.34x = 128,667.16 × 56,929.79
  4. Step 4: Simplify right side
    93,230.34x = 7,324,993,755.36
  5. Step 5: Solve for x
    x = 7,324,993,755.36/93,230.34
  6. Step 6: Final answer
    x = 78,568.78

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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.