Home / 69,787.08-96,308.32-39,573.64

Finding the Fourth Proportional to 69,787.08, 96,308.32 and 39,573.64

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Solution

The fourth proportional to 69,787.08, 96,308.32 and 39,573.64 is: 54,612.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,787.08 : 96,308.32 = 39,573.64 : x
  2. Step 2: Convert to fraction form
    69,787.08/96,308.32 = 39,573.64/x
  3. Step 3: Cross multiply
    69,787.08x = 96,308.32 × 39,573.64
  4. Step 4: Simplify right side
    69,787.08x = 3,811,270,784.68
  5. Step 5: Solve for x
    x = 3,811,270,784.68/69,787.08
  6. Step 6: Final answer
    x = 54,612.84

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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.