Home / 96,639.28-133,331.94-55,798.07

Finding the Fourth Proportional to 96,639.28, 133,331.94 and 55,798.07

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Solution

The fourth proportional to 96,639.28, 133,331.94 and 55,798.07 is: 76,983.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,639.28 : 133,331.94 = 55,798.07 : x
  2. Step 2: Convert to fraction form
    96,639.28/133,331.94 = 55,798.07/x
  3. Step 3: Cross multiply
    96,639.28x = 133,331.94 × 55,798.07
  4. Step 4: Simplify right side
    96,639.28x = 7,439,664,254.70
  5. Step 5: Solve for x
    x = 7,439,664,254.70/96,639.28
  6. Step 6: Final answer
    x = 76,983.86

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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.