Home / 62,905.09-86,736.30-50,148.30

Finding the Fourth Proportional to 62,905.09, 86,736.30 and 50,148.30

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Solution

The fourth proportional to 62,905.09, 86,736.30 and 50,148.30 is: 69,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,905.09 : 86,736.30 = 50,148.30 : x
  2. Step 2: Convert to fraction form
    62,905.09/86,736.30 = 50,148.30/x
  3. Step 3: Cross multiply
    62,905.09x = 86,736.30 × 50,148.30
  4. Step 4: Simplify right side
    62,905.09x = 4,349,677,993.29
  5. Step 5: Solve for x
    x = 4,349,677,993.29/62,905.09
  6. Step 6: Final answer
    x = 69,146.68

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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.