Home / 64,186.26-88,580.13-35,505.78

Finding the Fourth Proportional to 64,186.26, 88,580.13 and 35,505.78

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Solution

The fourth proportional to 64,186.26, 88,580.13 and 35,505.78 is: 48,999.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,186.26 : 88,580.13 = 35,505.78 : x
  2. Step 2: Convert to fraction form
    64,186.26/88,580.13 = 35,505.78/x
  3. Step 3: Cross multiply
    64,186.26x = 88,580.13 × 35,505.78
  4. Step 4: Simplify right side
    64,186.26x = 3,145,106,608.15
  5. Step 5: Solve for x
    x = 3,145,106,608.15/64,186.26
  6. Step 6: Final answer
    x = 48,999.69

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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.