Home / 96,715.28-133,464.84-54,272.72

Finding the Fourth Proportional to 96,715.28, 133,464.84 and 54,272.72

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Solution

The fourth proportional to 96,715.28, 133,464.84 and 54,272.72 is: 74,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,715.28 : 133,464.84 = 54,272.72 : x
  2. Step 2: Convert to fraction form
    96,715.28/133,464.84 = 54,272.72/x
  3. Step 3: Cross multiply
    96,715.28x = 133,464.84 × 54,272.72
  4. Step 4: Simplify right side
    96,715.28x = 7,243,499,891.16
  5. Step 5: Solve for x
    x = 7,243,499,891.16/96,715.28
  6. Step 6: Final answer
    x = 74,895.09

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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.