Home / 64,336.10-88,783.82-39,185.60

Finding the Fourth Proportional to 64,336.10, 88,783.82 and 39,185.60

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Solution

The fourth proportional to 64,336.10, 88,783.82 and 39,185.60 is: 54,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,336.10 : 88,783.82 = 39,185.60 : x
  2. Step 2: Convert to fraction form
    64,336.10/88,783.82 = 39,185.60/x
  3. Step 3: Cross multiply
    64,336.10x = 88,783.82 × 39,185.60
  4. Step 4: Simplify right side
    64,336.10x = 3,479,047,256.99
  5. Step 5: Solve for x
    x = 3,479,047,256.99/64,336.10
  6. Step 6: Final answer
    x = 54,076.13

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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.