Home / 69,824.32-96,354.16-39,612.44

Finding the Fourth Proportional to 69,824.32, 96,354.16 and 39,612.44

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Solution

The fourth proportional to 69,824.32, 96,354.16 and 39,612.44 is: 54,663.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,824.32 : 96,354.16 = 39,612.44 : x
  2. Step 2: Convert to fraction form
    69,824.32/96,354.16 = 39,612.44/x
  3. Step 3: Cross multiply
    69,824.32x = 96,354.16 × 39,612.44
  4. Step 4: Simplify right side
    69,824.32x = 3,816,823,381.75
  5. Step 5: Solve for x
    x = 3,816,823,381.75/69,824.32
  6. Step 6: Final answer
    x = 54,663.24

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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.