Home / 62,505.32-86,188.59-39,818.84

Finding the Fourth Proportional to 62,505.32, 86,188.59 and 39,818.84

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Solution

The fourth proportional to 62,505.32, 86,188.59 and 39,818.84 is: 54,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,505.32 : 86,188.59 = 39,818.84 : x
  2. Step 2: Convert to fraction form
    62,505.32/86,188.59 = 39,818.84/x
  3. Step 3: Cross multiply
    62,505.32x = 86,188.59 × 39,818.84
  4. Step 4: Simplify right side
    62,505.32x = 3,431,929,244.09
  5. Step 5: Solve for x
    x = 3,431,929,244.09/62,505.32
  6. Step 6: Final answer
    x = 54,906.20

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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.