Home / 93,010.28-128,355.45-50,568.71

Finding the Fourth Proportional to 93,010.28, 128,355.45 and 50,568.71

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Solution

The fourth proportional to 93,010.28, 128,355.45 and 50,568.71 is: 69,785.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,010.28 : 128,355.45 = 50,568.71 : x
  2. Step 2: Convert to fraction form
    93,010.28/128,355.45 = 50,568.71/x
  3. Step 3: Cross multiply
    93,010.28x = 128,355.45 × 50,568.71
  4. Step 4: Simplify right side
    93,010.28x = 6,490,769,527.97
  5. Step 5: Solve for x
    x = 6,490,769,527.97/93,010.28
  6. Step 6: Final answer
    x = 69,785.51

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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.