Home / 64,197.12-96,260.40-19,811.64

Finding the Fourth Proportional to 64,197.12, 96,260.40 and 19,811.64

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Solution

The fourth proportional to 64,197.12, 96,260.40 and 19,811.64 is: 29,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,197.12 : 96,260.40 = 19,811.64 : x
  2. Step 2: Convert to fraction form
    64,197.12/96,260.40 = 19,811.64/x
  3. Step 3: Cross multiply
    64,197.12x = 96,260.40 × 19,811.64
  4. Step 4: Simplify right side
    64,197.12x = 1,907,076,391.06
  5. Step 5: Solve for x
    x = 1,907,076,391.06/64,197.12
  6. Step 6: Final answer
    x = 29,706.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.