Home / 79,466.18-109,669.47-45,485.33

Finding the Fourth Proportional to 79,466.18, 109,669.47 and 45,485.33

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Solution

The fourth proportional to 79,466.18, 109,669.47 and 45,485.33 is: 62,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,466.18 : 109,669.47 = 45,485.33 : x
  2. Step 2: Convert to fraction form
    79,466.18/109,669.47 = 45,485.33/x
  3. Step 3: Cross multiply
    79,466.18x = 109,669.47 × 45,485.33
  4. Step 4: Simplify right side
    79,466.18x = 4,988,351,570.81
  5. Step 5: Solve for x
    x = 4,988,351,570.81/79,466.18
  6. Step 6: Final answer
    x = 62,773.27

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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.